AUTOPLAY 

SUBMIT 

An officer who said he was with the Department of Defense, right, and members of the Navy, stand guard inside the gate of the closed Washington Navy Yard in Washington, on Tuesday, Sept. 17, 2013, the day after a gunman launched an attack inside the Washington Navy Yard on Monday, spraying gunfire on office workers in the cafeteria and in the hallways at the heavily secured military installation in the heart of the nations capital. (AP PhotoJacquelyn Martin)
An officer who said he was with the Department of Defense, right, and members of the Navy, stand guard inside the gate of the closed Washington Navy Yard in Washington, on Tuesday, Sept. 17, 2013, the day after a gunman launched an attack inside the Washington Navy Yard on Monday, spraying gunfire on office workers in the cafeteria and in the hallways at the heavily secured military installation in the heart of the nation's capital. (AP Photo/Jacquelyn Martin)
Alexis moves through the hallways of Building 197 carrying the Remington 870 shotgun. (FBI.gov)
Alexis moves through the hallways of Building #197 carrying the Remington 870 shotgun. (FBI.gov)
1 Alexis drives his rental car, a blue Toyota Prius, through the Washington Navy Yard main gate. (FBI.gov)
1: Alexis drives his rental car, a blue Toyota Prius, through the Washington Navy Yard main gate. (FBI.gov)
Alexis rental car enters Washington Navy Yard Parking Garage 28 at 753 a.m. on September 16, 2013. (FBI.gov)
Alexis' rental car enters Washington Navy Yard Parking Garage #28 at 7:53 a.m. on September 16, 2013. (FBI.gov)
Alexis enters Building 197 at 808 a.m., carrying a backpack. Alexis had legitimate access to the Washington Navy Yard as a result of his work as a contractor, and he utilized a valid pass to gain entry to the building. (FBI.gov)
Alexis enters Building #197 at 8:08 a.m., carrying a backpack. Alexis had legitimate access to the Washington Navy Yard as a result of his work as a contractor, and he utilized a valid pass to gain entry to the building. (FBI.gov)
Alexis moves through the hallways of Building 197 carrying the Remington 870 shotgun. (FBI.gov)
Alexis moves through the hallways of Building #197 carrying the Remington 870 shotgun. (FBI.gov)
Aaron Alexis backpack was found in the fourth-floor mens bathroom, hanging on the back of a stall door. (FBI.gov)
Aaron Alexis' backpack was found in the fourth-floor men's bathroom, hanging on the back of a stall door. (FBI.gov)
Aaron Alexis rental car, a blue Toyota Prius with New York plates, was located in Washington Navy Yard Parking Garage 28. (FBI.gov)
Aaron Alexis' rental car, a blue Toyota Prius with New York plates, was located in Washington Navy Yard Parking Garage #28. (FBI.gov)
Aaron Alexis Remington 870 shotgun with sawed-off barrel and stock. Etchings on the left side of the shotgun receiver read Better off this way and My ELF weapon (FBI.gov)
Aaron Alexis' Remington 870 shotgun with sawed-off barrel and stock. Etchings on the left side of the shotgun receiver read "Better off this way!" and "My ELF weapon!" (FBI.gov)
A close-up photograph of the etchings on the left side of Alexis shotgun receiver. (FBI.gov)
A close-up photograph of the etchings on the left side of Alexis' shotgun receiver. (FBI.gov)
Aaron Alexis Remington 870 shotgun with sawed-off barrel and stock. Etching on the right side of the shotgun receiver read Not what yall say (FBI.gov)
Aaron Alexis' Remington 870 shotgun with sawed-off barrel and stock. Etching on the right side of the shotgun receiver read "Not what yall say!" (FBI.gov)
Aaron Alexis Remington 870 shotgun with sawed-off barrel and stock. Etching on the right side of the shotgun receiver read Not what yall say (FBI.gov)
Aaron Alexis' Remington 870 shotgun with sawed-off barrel and stock. Etching on the right side of the shotgun receiver read "Not what yall say!" (FBI.gov)
Etching on the barrel of the Remington 870 shotgun used by Alexis read End to the torment (FBI.gov)
Etching on the barrel of the Remington 870 shotgun used by Alexis read "End to the torment!" (FBI.gov)
Video footage from closed-circuit video cameras shows Aaron Alexis, now deceased, at the Washington Navy Yard on September 16, 2013. The footage includes the following - Alexis drives his rental car, a blue Toyota Prius, through the Washington Navy Yard main gate. - Alexis enters Building 197 carrying a backpack. Alexis had legitimate access to the Washington Navy Yard as a result of his work as a contractor and he utilized a valid pass to gain entry to the building. - Alexis moves through the hallways and a stairwell of Building 197 carrying a Remington 870 shotgun. (Courtesy FBI.govYouTube)
Video footage from closed-circuit video cameras shows Aaron Alexis, now deceased, at the Washington Navy Yard on September 16, 2013.

The footage includes the following:

- Alexis drives his rental car, a blue Toyota Prius, through the Washington Navy Yard main gate.

- Alexis enters Building #197 carrying a backpack. Alexis had legitimate access to the Washington Navy Yard as a result of his work as a contractor and he utilized a valid pass to gain entry to the building.

- Alexis moves through the hallways and a stairwell of Building #197 carrying a Remington 870 shotgun.
(Courtesy FBI.gov/YouTube)
People walk out of church following the funeral service for Navy Yard shooting victim John R. Johnson at Good Shepherd Lutheran Church in Gaithersburg, Md., Tuesday, Sept. 24, 2013. (AP PhotoSusan Walsh)
People walk out of church following the funeral service for Navy Yard shooting victim John R. Johnson at Good Shepherd Lutheran Church in Gaithersburg, Md., Tuesday, Sept. 24, 2013. (AP Photo/Susan Walsh)
People arrive for the funeral service for Navy Yard shooting victim John R. Johnson at Good Shepherd Lutheran Church in Gaithersburg, Md., Tuesday, Sept. 24, 2013. (AP PhotoSusan Walsh)
People arrive for the funeral service for Navy Yard shooting victim John R. Johnson at Good Shepherd Lutheran Church in Gaithersburg, Md., Tuesday, Sept. 24, 2013. (AP Photo/Susan Walsh)
The casket for Navy Yard shooting victim John R. Johnson arrives at Good Shepherd Lutheran Church in Gaithersburg, Md., Tuesday, Sept. 24, 2013, for Johnsons funeral service. (AP PhotoSusan Walsh)
The casket for Navy Yard shooting victim John R. Johnson arrives at Good Shepherd Lutheran Church in Gaithersburg, Md., Tuesday, Sept. 24, 2013, for Johnson's funeral service. (AP Photo/Susan Walsh)
Rollie Chance stands in his home on Monday, Sept. 23, 2013 in Stafford, Va. A week ago, Chance was working the phones, worried that some of his friends at the Washington Navy Yard may have been killed in a mass shooting there. Then, he received a call that he thought was a prank a news organization telling him that he had been identified as the shooter. (AP Photo Evan Vucci)
Rollie Chance stands in his home on Monday, Sept. 23, 2013 in Stafford, Va. A week ago, Chance was working the phones, worried that some of his friends at the Washington Navy Yard may have been killed in a mass shooting there. Then, he received a call that he thought was a prank: a news organization telling him that he had been identified as the shooter. (AP Photo/ Evan Vucci)
Rollie Chance holds a shadow box displaying his ranks and awards earned during a career in the Navy on Monday, Sept. 23, 2013, in Stafford, Va. A week ago, Chance was working the phones, worried that some of his friends at the Washington Navy Yard may have been killed in a mass shooting there. Then, he received a call that he thought was a prank a news organization telling him that he had been identified as the shooter. (AP PhotoEvan Vucci)
Rollie Chance holds a shadow box displaying his ranks and awards earned during a career in the Navy on Monday, Sept. 23, 2013, in Stafford, Va. A week ago, Chance was working the phones, worried that some of his friends at the Washington Navy Yard may have been killed in a mass shooting there. Then, he received a call that he thought was a prank: a news organization telling him that he had been identified as the shooter. (AP Photo/Evan Vucci)
A handwritten note saying Your Navy Yard Neighbors Send (Love) and Prayers is taped to a post across the street from an entrance to the Washington Navy Yard, two days after a gunman killed twelve people and was killed himself inside the Navy Yard in Washington, on Wednesday, Sept. 18, 2013. (AP PhotoJacquelyn Martin)
A handwritten note saying "Your Navy Yard Neighbors Send (Love) and Prayers" is taped to a post across the street from an entrance to the Washington Navy Yard, two days after a gunman killed twelve people and was killed himself inside the Navy Yard in Washington, on Wednesday, Sept. 18, 2013. (AP Photo/Jacquelyn Martin)
President Barack Obama comforts family members of victims during a memorial service for the victims of the Washington Navy Yard shooting at Marine Barracks Washington, Sunday, Sept. 22, 2013, in Washington. A gunman killed 12 people in the Navy Yard on Monday, Sept. 16, 2013, before being fatally shot in a gun battle with law enforcement. (AP PhotoCarolyn Kaster)
President Barack Obama comforts family members of victims during a memorial service for the victims of the Washington Navy Yard shooting at Marine Barracks Washington, Sunday, Sept. 22, 2013, in Washington. A gunman killed 12 people in the Navy Yard on Monday, Sept. 16, 2013, before being fatally shot in a gun battle with law enforcement. (AP Photo/Carolyn Kaster)
President Barack Obama and first lady Michelle Obama look towards grieving family members at a memorial service for the victims of the Washington Navy Yard shooting at Marine Barracks Washington Sunday, Sept. 22, 2013. A gunman killed 12 people in the Navy Yard on Monday, Sept. 16, 2013, before being fatally shot in a gun battle with law enforcement. The president and first lady Michelle Obama also visited with the victims families. (AP PhotoCharles Dharapak)
President Barack Obama and first lady Michelle Obama look towards grieving family members at a memorial service for the victims of the Washington Navy Yard shooting at Marine Barracks Washington Sunday, Sept. 22, 2013. A gunman killed 12 people in the Navy Yard on Monday, Sept. 16, 2013, before being fatally shot in a gun battle with law enforcement. The president and first lady Michelle Obama also visited with the victims' families. (AP Photo/Charles Dharapak)
President Barack Obama and first lady Michelle Obama embrace family members of victims during a memorial service for the victims of the Washington Navy Yard shooting at Marine Barracks Washington, Sunday, Sept. 22, 2013, in Washington. A gunman killed 12 people in the Navy Yard on Monday, Sept. 16, 2013, before being fatally shot in a gun battle with law enforcement. (AP PhotoCarolyn Kaster)
President Barack Obama and first lady Michelle Obama embrace family members of victims during a memorial service for the victims of the Washington Navy Yard shooting at Marine Barracks Washington, Sunday, Sept. 22, 2013, in Washington. A gunman killed 12 people in the Navy Yard on Monday, Sept. 16, 2013, before being fatally shot in a gun battle with law enforcement. (AP Photo/Carolyn Kaster)
President Barack Obama wipes his eye as he is seated with first lady Michelle Obama at a memorial service for the victims of the Washington Navy Yard shooting at Marine Barracks Washington Sunday, Sept. 22, 2013. A gunman killed 12 people in the Navy Yard on Monday, Sept. 16, 2013, before being fatally shot in a gun battle with law enforcement. The president and first lady Michelle Obama also visited with the victims families. (AP PhotoCharles Dharapak)
President Barack Obama wipes his eye as he is seated with first lady Michelle Obama at a memorial service for the victims of the Washington Navy Yard shooting at Marine Barracks Washington Sunday, Sept. 22, 2013. A gunman killed 12 people in the Navy Yard on Monday, Sept. 16, 2013, before being fatally shot in a gun battle with law enforcement. The president and first lady Michelle Obama also visited with the victims' families. (AP Photo/Charles Dharapak)
Military personnel and workers walk along the perimeter of the Washington Navy Yard Thursday, Sept. 19, 2013. The Washington Navy Yard began returning to nearly normal operations three days after it was the scene of a mass shooting in which a gunman killed 12 people. (AP PhotoCharles Dharapak)
Military personnel and workers walk along the perimeter of the Washington Navy Yard Thursday, Sept. 19, 2013. The Washington Navy Yard began returning to nearly normal operations three days after it was the scene of a mass shooting in which a gunman killed 12 people. (AP Photo/Charles Dharapak)
Military personnel and workers walk along the perimeter of the Washington Navy Yard Thursday, Sept. 19, 2013. The Washington Navy Yard began returning to nearly normal operations three days after it was the scene of a mass shooting in which a gunman killed 12 people. (AP PhotoCharles Dharapak)
Military personnel and workers walk along the perimeter of the Washington Navy Yard Thursday, Sept. 19, 2013. The Washington Navy Yard began returning to nearly normal operations three days after it was the scene of a mass shooting in which a gunman killed 12 people. (AP Photo/Charles Dharapak)
A makeshift memorial is seen on a lamp post across the street from the Washington Navy Yard as military personnel and workers returned to work, Thursday, Sept. 19, 2013. The Washington Navy Yard began returning to nearly normal operations three days after it was the scene of a mass shooting in which a gunman killed 12 people. (AP PhotoCharles Dharapak)
A makeshift memorial is seen on a lamp post across the street from the Washington Navy Yard as military personnel and workers returned to work, Thursday, Sept. 19, 2013. The Washington Navy Yard began returning to nearly normal operations three days after it was the scene of a mass shooting in which a gunman killed 12 people. (AP Photo/Charles Dharapak)
A makeshift memorial is seen on a lamp post across the street from the Washington Navy Yard as military personnel and workers returned to work, Thursday, Sept. 19, 2013. The Washington Navy Yard began returning to nearly normal operations three days after it was the scene of a mass shooting in which a gunman killed 12 people. (AP PhotoCharles Dharapak)
A makeshift memorial is seen on a lamp post across the street from the Washington Navy Yard as military personnel and workers returned to work, Thursday, Sept. 19, 2013. The Washington Navy Yard began returning to nearly normal operations three days after it was the scene of a mass shooting in which a gunman killed 12 people. (AP Photo/Charles Dharapak)
Military personnel enter Washington Navy Yard as workers returned to work, Thursday, Sept. 19, 2013. The Washington Navy Yard began returning to nearly normal operations three days after it was the scene of a mass shooting in which a gunman killed 12 people. (AP PhotoCharles Dharapak)
Military personnel enter Washington Navy Yard as workers returned to work, Thursday, Sept. 19, 2013. The Washington Navy Yard began returning to nearly normal operations three days after it was the scene of a mass shooting in which a gunman killed 12 people. (AP Photo/Charles Dharapak)
Military personnel have their identification checked after they enter the Washington Navy Yard Thursday, Sept. 19, 2013. The Washington Navy Yard began returning to nearly normal operations three days after it was the scene of a mass shooting in which a gunman killed 12 people. (AP PhotoCharles Dharapak)
Military personnel have their identification checked after they enter the Washington Navy Yard Thursday, Sept. 19, 2013. The Washington Navy Yard began returning to nearly normal operations three days after it was the scene of a mass shooting in which a gunman killed 12 people. (AP Photo/Charles Dharapak)
Roses that were placed on an anchor at an entrance of the Washington Navy Yard as security personnel stand watch, Thursday, Sept. 19, 2013. The Washington Navy Yard began returning to nearly normal operations three days after it was the scene of a mass shooting in which a gunman killed 12 people. (AP PhotoCharles Dharapak)
Roses that were placed on an anchor at an entrance of the Washington Navy Yard as security personnel stand watch, Thursday, Sept. 19, 2013. The Washington Navy Yard began returning to nearly normal operations three days after it was the scene of a mass shooting in which a gunman killed 12 people. (AP Photo/Charles Dharapak)
A woman hugs a man before entering the Washington Navy Yard as employees return to work, Thursday, Sept. 19, 2013. The Washington Navy Yard returned to nearly normal operations three days after it was the scene of a mass shooting in which a gunman killed 12 people. (AP PhotoCharles Dharapak)
A woman hugs a man before entering the Washington Navy Yard as employees return to work, Thursday, Sept. 19, 2013. The Washington Navy Yard returned to nearly normal operations three days after it was the scene of a mass shooting in which a gunman killed 12 people. (AP Photo/Charles Dharapak)
In this photo provided by the U.S. Navy, Secretary of the Navy, Ray Mabus, speaks to personnel on Thursday, Sept. 19, 2013 at the Washington Navy Yard during their first day back to work in Washington. (AP PhotoU.S. Navy, Mass Communication Spc. 1st Class Arif Patani)
In this photo provided by the U.S. Navy, Secretary of the Navy, Ray Mabus, speaks to personnel on Thursday, Sept. 19, 2013 at the Washington Navy Yard during their first day back to work in Washington. (AP Photo/U.S. Navy, Mass Communication Spc. 1st Class Arif Patani)
A welcome sign sits outside an entrance to a building at the Thai Buddhist temple in Raynham, Mass., Thursday, Sept. 19, 2013. According to Eang Tan, a board member at the temple, Aaron Alexis visited the temple on Aug. 18, 2013. Authorities say Alexis, a former U.S. Navy reservist, killed 12 people at the Washington Navy Yard on Monday, Sept. 16, 2013. (AP PhotoSteven Senne)
A welcome sign sits outside an entrance to a building at the Thai Buddhist temple in Raynham, Mass., Thursday, Sept. 19, 2013. According to Eang Tan, a board member at the temple, Aaron Alexis visited the temple on Aug. 18, 2013. Authorities say Alexis, a former U.S. Navy reservist, killed 12 people at the Washington Navy Yard on Monday, Sept. 16, 2013. (AP Photo/Steven Senne)
A worker walks away from the Thai Buddhist temple under construction, in Raynham, Mass., Thursday, Sept. 19, 2013. According to Eang Tan, a board member at the temple, Aaron Alexis visited there on Aug. 18, 2013. Authorities say Alexis, a former U.S. Navy reservist, killed 12 people at the Washington Navy Yard on Monday, Sept. 16, 2013. (AP PhotoSteven Senne)
A worker walks away from the Thai Buddhist temple under construction, in Raynham, Mass., Thursday, Sept. 19, 2013. According to Eang Tan, a board member at the temple, Aaron Alexis visited there on Aug. 18, 2013. Authorities say Alexis, a former U.S. Navy reservist, killed 12 people at the Washington Navy Yard on Monday, Sept. 16, 2013. (AP Photo/Steven Senne)
In this photo, which The AP obtained from Don Andres, shooting victim Vishnu Pandit is assisted on the sidewalk while awaiting the arrival of emergency medical personnel after coworkers took him by car from the Washington Navy Yard to receive medical attention Monday, Sept. 16, 2013, in Washington. Pandit died of his injuries. (AP PhotoDon Andres)
In this photo, which The AP obtained from Don Andres, shooting victim Vishnu Pandit is assisted on the sidewalk while awaiting the arrival of emergency medical personnel after coworkers took him by car from the Washington Navy Yard to receive medical attention Monday, Sept. 16, 2013, in Washington. Pandit died of his injuries. (AP Photo/Don Andres)
In this photo, which The AP obtained from Don Andres, shooting victim Vishnu Pandit is assisted on the sidewalk while awaiting the arrival of emergency medical personnel after coworkers took him by car from the Washington Navy Yard to receive medical attention Monday, Sept. 16, 2013, in Washington. Pandit died of his injuries. (AP PhotoDon Andres)
In this photo, which The AP obtained from Don Andres, shooting victim Vishnu Pandit is assisted on the sidewalk while awaiting the arrival of emergency medical personnel after coworkers took him by car from the Washington Navy Yard to receive medical attention Monday, Sept. 16, 2013, in Washington. Pandit died of his injuries. (AP Photo/Don Andres)
This photo provided by the family of Richard Michael Ridgell, shows the 52-year-old man from Westminster, Md., in Iraq in 2008, who was one of the 12 victims killed in the shooting rampage at the Washington Navy Yard on Monday, Sept. 16, 2013. (AP PhotoCourtesy of the Ridgell family)
This photo provided by the family of Richard Michael Ridgell, shows the 52-year-old man from Westminster, Md., in Iraq in 2008, who was one of the 12 victims killed in the shooting rampage at the Washington Navy Yard on Monday, Sept. 16, 2013. (AP Photo/Courtesy of the Ridgell family)
This photo provided by the family of Arthur Daniels, shows the 51-year-old man from Washington, who was one of the 12 victims killed in the shooting rampage at the Washington Navy Yard on Monday, Sept. 16, 2013. (AP PhotoCourtesy of the Daniels family)
This photo provided by the family of Arthur Daniels, shows the 51-year-old man from Washington, who was one of the 12 victims killed in the shooting rampage at the Washington Navy Yard on Monday, Sept. 16, 2013. (AP Photo/Courtesy of the Daniels family)
Defense Secretary Chuck Hagel and Chairman of the Joint Chiefs of Staff Gen. Martin Dempsey take questions at a news conference at The Pentagon, Wednesday, Sept. 18, 2013. Hagel is ordering the Pentagon to review the physical security of all U.S. defense facilities worldwide and the security clearances that allow access to them. Hagel ordered the reviews in response to Mondays shooting rampage at the Washington Navy Yard, where a dozen people were killed. The shooter, Aaron Alexis, also was killed. (AP PhotoCharles Dharapak)
Defense Secretary Chuck Hagel and Chairman of the Joint Chiefs of Staff Gen. Martin Dempsey take questions at a news conference at The Pentagon, Wednesday, Sept. 18, 2013. Hagel is ordering the Pentagon to review the physical security of all U.S. defense facilities worldwide and the security clearances that allow access to them. Hagel ordered the reviews in response to Monday's shooting rampage at the Washington Navy Yard, where a dozen people were killed. The shooter, Aaron Alexis, also was killed. (AP Photo/Charles Dharapak)
White House press secretary Jay Carney gives his daily news briefing at the White House in Washington, Wednesday, Sept., 18, 2013. Carney announced that Obama will attend a memorial service for the victims of the Mondays Navy Yard massacre Sunday. The president will want to mourn the loss of these innocent victims and share in the nations pain in the aftermath of another senseless shooting, Carney said at Wednesdays news briefing. (AP PhotoPablo Martinez Monsivais)
White House press secretary Jay Carney gives his daily news briefing at the White House in Washington, Wednesday, Sept., 18, 2013. Carney announced that Obama will attend a memorial service for the victims of the Monday's Navy Yard massacre Sunday. "The president will want to mourn the loss of these innocent victims and share in the nation's pain in the aftermath of another senseless shooting," Carney said at Wednesday's news briefing. (AP Photo/Pablo Martinez Monsivais)
Attorney General Eric Holder, right, is greeted by Valerie Parlave, far left, assistant director in charge of the FBI Washington Field Office, Washington Metropolitan Police Chief Cathy Lanier, and Ronald Machen, Jr., U.S. Attorney for the District of Columbia, as Holder arrives for a meeting at the FBI Washington Field Office in Washington, on Wednesday, Sept. 18, 2013, two days after a gunman killed twelve people and was killed himself inside the Washington Navy Yard. (AP PhotoJacquelyn Martin)
Attorney General Eric Holder, right, is greeted by Valerie Parlave, far left, assistant director in charge of the FBI Washington Field Office, Washington Metropolitan Police Chief Cathy Lanier, and Ronald Machen, Jr., U.S. Attorney for the District of Columbia, as Holder arrives for a meeting at the FBI Washington Field Office in Washington, on Wednesday, Sept. 18, 2013, two days after a gunman killed twelve people and was killed himself inside the Washington Navy Yard. (AP Photo/Jacquelyn Martin)
Chief of Naval Operations Adm. Jonathan Greenert bows his head as the House Armed Services committee holds a moment of silence for the twelve people slain at the Washington Navy Yard, before Greenert testified before the House Armed Services hearing on the automatic budget cuts that kicked in on March 1 and the ongoing effect for the next budget year on Capitol Hill in Washington, Wednesday, Sept. 18, 2013. (AP PhotoCliff Owen)
Chief of Naval Operations Adm. Jonathan Greenert bows his head as the House Armed Services committee holds a moment of silence for the twelve people slain at the Washington Navy Yard, before Greenert testified before the House Armed Services hearing on the automatic budget cuts that kicked in on March 1 and the ongoing effect for the next budget year on Capitol Hill in Washington, Wednesday, Sept. 18, 2013. (AP Photo/Cliff Owen)
Chief of Naval Operations Adm. Jonathan Greenert pauses during a moment of silence to honor the 12 victims killed at the Washington Navy Yard before testifying before the House Armed Services hearing on the automatic budget cuts that kicked in on March 1 and the ongoing effect for the next budget year on Capitol Hill in Washington, Wednesday, Sept. 18, 2013. (AP PhotoCliff Owen)
Chief of Naval Operations Adm. Jonathan Greenert pauses during a moment of silence to honor the 12 victims killed at the Washington Navy Yard before testifying before the House Armed Services hearing on the automatic budget cuts that kicked in on March 1 and the ongoing effect for the next budget year on Capitol Hill in Washington, Wednesday, Sept. 18, 2013. (AP Photo/Cliff Owen)
Attorney General Eric Holder, right, enters the FBI Washington Field Office for a meeting about the Washington Navy Yard Shooting, in Washington, on Wednesday, Sept. 18, 2013, two days after a gunman killed twelve people and was killed himself inside the Washington Navy Yard. (AP PhotoJacquelyn Martin)
Attorney General Eric Holder, right, enters the FBI Washington Field Office for a meeting about the Washington Navy Yard Shooting, in Washington, on Wednesday, Sept. 18, 2013, two days after a gunman killed twelve people and was killed himself inside the Washington Navy Yard. (AP Photo/Jacquelyn Martin)
This photo provided by the family of Mary Francis Knight, shows the 51-year-old woman from Reston, Va., who was one of the 12 victims killed in the shooting rampage at the Washington Navy Yard on Monday, Sept. 16, 2013. (AP PhotoCourtesy of the Knight family)
This photo provided by the family of Mary Francis Knight, shows the 51-year-old woman from Reston, Va., who was one of the 12 victims killed in the shooting rampage at the Washington Navy Yard on Monday, Sept. 16, 2013. (AP Photo/Courtesy of the Knight family)
This photo provided by the family of Sylvia Frasier, shows the 53-year-old woman from Waldorf, Md., who was one of the 12 victims killed in the shooting rampage at the Washington Navy Yard on Monday, Sept. 16, 2013. (AP PhotoCourtesy of the Frasier family)
This photo provided by the family of Sylvia Frasier, shows the 53-year-old woman from Waldorf, Md., who was one of the 12 victims killed in the shooting rampage at the Washington Navy Yard on Monday, Sept. 16, 2013. (AP Photo/Courtesy of the Frasier family)
In this photo provided by the U.S. Navy, an FBI evidence response team vehicle is parked outside Building 197 at the Navy Yard in Washington as evidence is collected Wednesday, Sept. 18, 2013. A gunman killed 12 people at the base on Monday, Sept. 16, 2013. (AP PhotoU.S. Navy, Mass Communication Specialist 2nd Class Pedro A. Rodriguez)
In this photo provided by the U.S. Navy, an FBI evidence response team vehicle is parked outside Building 197 at the Navy Yard in Washington as evidence is collected Wednesday, Sept. 18, 2013. A gunman killed 12 people at the base on Monday, Sept. 16, 2013. (AP Photo/U.S. Navy, Mass Communication Specialist 2nd Class Pedro A. Rodriguez)
Bishop Gerald Seabrooks shows a statement made by Cathleen Alexis, mother of Washington Navy Yard gunman Aaron Alexis, in New Yorks Brooklyn borough on Wednesday, Sept. 18, 2013. Cathleen Alexis said that she does not know why her son did what he did and she will never be able to ask him. Aaron Alexis opened fire Monday, killing 12 people, before he was killed in a shootout with police. (AP PhotoSeth Wenig)
Bishop Gerald Seabrooks shows a statement made by Cathleen Alexis, mother of Washington Navy Yard gunman Aaron Alexis, in New York's Brooklyn borough on Wednesday, Sept. 18, 2013. Cathleen Alexis said that she does not know why her son did what he did and she will never be able to ask him. Aaron Alexis opened fire Monday, killing 12 people, before he was killed in a shootout with police. (AP Photo/Seth Wenig)
Bishops Gerald Seabrooks, right, and Willie Billips stand in front of the home of Cathleen Alexis, mother of Washington Navy Yard gunman Aaron Alexis, who made a statement at her home in New Yorks Brooklyn borough on Wednesday, Sept. 18, 2013. The bishops are part of a Brooklyn Clergy-NYPD Task Force. Cathleen Alexis said that she does not know why her son did what he did and she will never be able to ask him. Aaron Alexis opened fire Monday, killing 12 people, before he was killed in a shootout with police. (AP PhotoSeth Wenig)
Bishops Gerald Seabrooks, right, and Willie Billips stand in front of the home of Cathleen Alexis, mother of Washington Navy Yard gunman Aaron Alexis, who made a statement at her home in New York's Brooklyn borough on Wednesday, Sept. 18, 2013. The bishops are part of a Brooklyn Clergy-NYPD Task Force. Cathleen Alexis said that she does not know why her son did what he did and she will never be able to ask him. Aaron Alexis opened fire Monday, killing 12 people, before he was killed in a shootout with police. (AP Photo/Seth Wenig)
An armed officer who said he is with the Department of Defense, warns off a pedestrian to stay away from the gate at the Washington Navy Yard, closed to all but essential personnel, in Washington, on Tuesday, Sept. 17, 2013, the day after a gunman launched an attack inside the Washington Navy Yard on Monday, spraying gunfire on office workers in the cafeteria and in the hallways at the heavily secured military installation in the heart of the nations capital. (AP PhotoJacquelyn Martin)
An armed officer who said he is with the Department of Defense, warns off a pedestrian to stay away from the gate at the Washington Navy Yard, closed to all but essential personnel, in Washington, on Tuesday, Sept. 17, 2013, the day after a gunman launched an attack inside the Washington Navy Yard on Monday, spraying gunfire on office workers in the cafeteria and in the hallways at the heavily secured military installation in the heart of the nation's capital. (AP Photo/Jacquelyn Martin)
The American flags surrounding the Washington Monument fly at half-staff as ordered by President Barack Obama following the deadly shooting Monday at the Washington Navy Yard, Tuesday, Sept. 17, 2013, in Washington. (AP PhotoJ. Scott Applewhite)
The American flags surrounding the Washington Monument fly at half-staff as ordered by President Barack Obama following the deadly shooting Monday at the Washington Navy Yard, Tuesday, Sept. 17, 2013, in Washington. (AP Photo/J. Scott Applewhite)
FBI agents can be seen in the background as investigation continues inside the Washington Navy Yard in Washington, on Tuesday, Sept. 17, 2013, the day after a gunman launched an attack inside the Washington Navy Yard on Monday, spraying gunfire on office workers in the cafeteria and in the hallways at the heavily secured military installation in the heart of the nations capital. (AP PhotoJacquelyn Martin)
FBI agents can be seen in the background as investigation continues inside the Washington Navy Yard in Washington, on Tuesday, Sept. 17, 2013, the day after a gunman launched an attack inside the Washington Navy Yard on Monday, spraying gunfire on office workers in the cafeteria and in the hallways at the heavily secured military installation in the heart of the nation's capital. (AP Photo/Jacquelyn Martin)
A guard checks IDs at the front entrance of the Naval Air Station Joint Reserve Base in Fort Worth, Texas, Tuesday, Sept. 17, 2013. Officials say Aaron Alexis, an information technology employee with a defense contractor who once served at this base, used a valid pass to get into the Washington Navy Yard building where he opened fire Monday, Sept. 16, 2013, killing 12 people. (AP PhotoLM Otero)
A guard checks IDs at the front entrance of the Naval Air Station Joint Reserve Base in Fort Worth, Texas, Tuesday, Sept. 17, 2013. Officials say Aaron Alexis, an information technology employee with a defense contractor who once served at this base, used a valid pass to get into the Washington Navy Yard building where he opened fire Monday, Sept. 16, 2013, killing 12 people. (AP Photo/LM Otero)
A sign marks the front entrance of the Naval Air Station Joint Reserve Base Tuesday, Sept. 17, 2013, in Fort Worth, Texas. Officials say Aaron Alexis, an information technology employee with a defense contractor who once served at this base, used a valid pass to get into the Washington Navy Yard building where he opened fire Monday, Sept. 16, 2013, killing 12 people. (AP PhotoLM Otero)
A sign marks the front entrance of the Naval Air Station Joint Reserve Base Tuesday, Sept. 17, 2013, in Fort Worth, Texas. Officials say Aaron Alexis, an information technology employee with a defense contractor who once served at this base, used a valid pass to get into the Washington Navy Yard building where he opened fire Monday, Sept. 16, 2013, killing 12 people. (AP Photo/LM Otero)
Washington Navy Yard Fleet and Family Readiness Program Director Ed Cannon speaks to reporters outside the Navy Yard in Washington, Tuesday, Sept. 17, 2013. (AP PhotoManuel Balce Ceneta)
Washington Navy Yard Fleet and Family Readiness Program Director Ed Cannon speaks to reporters outside the Navy Yard in Washington, Tuesday, Sept. 17, 2013. (AP Photo/Manuel Balce Ceneta)
Washington Navy Yard Fleet and Family Readiness Program Director Ed Cannon speaks to reporters outside the Navy Yard in Washington, Tuesday, Sept. 17, 2013. (AP PhotoManuel Balce Ceneta)
Washington Navy Yard Fleet and Family Readiness Program Director Ed Cannon speaks to reporters outside the Navy Yard in Washington, Tuesday, Sept. 17, 2013. (AP Photo/Manuel Balce Ceneta)
Holding Navy hats, members of the Washington Nationals observe a moment of silence before the second baseball game of an MLB National League doubleheader at Nationals Park against the Atlanta Braves Tuesday, Sept. 17, 2013, in Washington. The Nationals wore Navy hats, presented to them by Adm. James A. Winnefield, vice-chairman of the Joint Chiefs of Staff, before the game, to honor those killed and injured in the attack Monday at the nearby Washington Navy Yard. (AP PhotoAlex Brandon)
Holding Navy hats, members of the Washington Nationals observe a moment of silence before the second baseball game of an MLB National League doubleheader at Nationals Park against the Atlanta Braves Tuesday, Sept. 17, 2013, in Washington. The Nationals wore Navy hats, presented to them by Adm. James A. Winnefield, vice-chairman of the Joint Chiefs of Staff, before the game, to honor those killed and injured in the attack Monday at the nearby Washington Navy Yard. (AP Photo/Alex Brandon)
Sharpshooters Small Arms Range is seen in Lorton, Va., Tuesday, Sept. 17, 2013. Washington Navy Yard gunman Aaron Alexis went to the store two days before the Monday attack rented a rifle, bought bullets and took target practice at Sharpshooters Small Arms Range, the stores attorney Michael Slocum said. Alexis then bought a shotgun and 24 shells, according to Slocum. (AP PhotoSusan Walsh)
Sharpshooters Small Arms Range is seen in Lorton, Va., Tuesday, Sept. 17, 2013. Washington Navy Yard gunman Aaron Alexis went to the store two days before the Monday attack rented a rifle, bought bullets and took target practice at Sharpshooters Small Arms Range, the store's attorney Michael Slocum said. Alexis then bought a shotgun and 24 shells, according to Slocum. (AP Photo/Susan Walsh)
Marine engineer and naval architect Vishnu Pandit, 61, preferred the nickname Kisan, the Hindi word for peasant. It suited the hard-working Indian immigrant, known for his devotion to family, community and his 30-year civilian Navy career. (Courtesy Pandit Family)
Marine engineer and naval architect Vishnu Pandit, 61, preferred the nickname Kisan, the Hindi word for "peasant." It suited the hard-working Indian immigrant, known for his devotion to family, community and his 30-year civilian Navy career. (Courtesy Pandit Family)
This undated photo provided by Kristi Suthamtewakul shows Aaron Alexis. Officials say Alexis, an information technology employee with a defense contractor, used a valid pass to get into the Washington Navy Yard building where he opened fire Monday, Sept. 16, 2013, killing 12 people. (AP PhotoCourtesy of Kristi Suthamtewakul)
This undated photo provided by Kristi Suthamtewakul shows Aaron Alexis. Officials say Alexis, an information technology employee with a defense contractor, used a valid pass to get into the Washington Navy Yard building where he opened fire Monday, Sept. 16, 2013, killing 12 people. (AP Photo/Courtesy of Kristi Suthamtewakul)
This undated photo provided by Kristi Suthamtewakul shows Aaron Alexis. Officials say Alexis, an information technology employee with a defense contractor, used a valid pass to get into the Washington Navy Yard building where he opened fire Monday, Sept. 16, 2013, killing 12 people. (AP PhotoCourtesy of Kristi Suthamtewakul)
This undated photo provided by Kristi Suthamtewakul shows Aaron Alexis. Officials say Alexis, an information technology employee with a defense contractor, used a valid pass to get into the Washington Navy Yard building where he opened fire Monday, Sept. 16, 2013, killing 12 people. (AP Photo/Courtesy of Kristi Suthamtewakul)
This Dec. 25, 2006 photo provided by Douglass Gaarde, shows Kathy Gaarde, one of the victims of the Sept. 16, 2013 shooting at the Washington Navy Yard, right, with her mother, Lore Bourne. Gaarde, 63, of Woodbridge, Va., was a financial analyst who supported the organization responsible for the shipyards. (AP PhotoCourtesy Douglass Gaarde)
This Dec. 25, 2006 photo provided by Douglass Gaarde, shows Kathy Gaarde, one of the victims of the Sept. 16, 2013 shooting at the Washington Navy Yard, right, with her mother, Lore Bourne. Gaarde, 63, of Woodbridge, Va., was a financial analyst who supported the organization responsible for the shipyards. (AP Photo/Courtesy Douglass Gaarde)
Martin Bodrog of Annandale, Va. was a 22-year USN veteran. As a civilian working for the Navy he was an expert on testing and evaluating ship designs and onboard systems including weapons systems. (Courtesy Bodrog Family)
Martin Bodrog of Annandale, Va. was a 22-year USN veteran. As a civilian working for the Navy he was an expert on testing and evaluating ship designs and onboard systems including weapons systems. (Courtesy Bodrog Family)
This photo provided by the family of John Roger Johnson, shows the 73-year-old man from Derwood, Md., who was one of the 12 victims killed in the shooting rampage at the Washington Navy Yard on Monday, Sept. 16, 2013. (AP PhotoCourtesy of the Johnson family)
This photo provided by the family of John Roger Johnson, shows the 73-year-old man from Derwood, Md., who was one of the 12 victims killed in the shooting rampage at the Washington Navy Yard on Monday, Sept. 16, 2013. (AP Photo/Courtesy of the Johnson family)
Kasem Pundisto, a buddhist monk, adjusts a medication string inside the temple once attended by Aaron Alexis Tuesday, Sept. 17, 2013, in Fort Worth, Texas. Officials say Aaron Alexis, an information technology employee with a defense contractor who once was a member of the Wat Busayadhammavanaram temple headed by Pundisto, used a valid pass to get into the Washington Navy Yard building where he opened fire Monday, Sept. 16, 2013, killing 12 people. (AP PhotoLM Otero)
Kasem Pundisto, a buddhist monk, adjusts a medication string inside the temple once attended by Aaron Alexis Tuesday, Sept. 17, 2013, in Fort Worth, Texas. Officials say Aaron Alexis, an information technology employee with a defense contractor who once was a member of the Wat Busayadhammavanaram temple headed by Pundisto, used a valid pass to get into the Washington Navy Yard building where he opened fire Monday, Sept. 16, 2013, killing 12 people. (AP Photo/LM Otero)
Kasem Pundisto, a buddhist monk, stands outside the temple once attended by Aaron Alexis Tuesday, Sept. 17, 2013, in Fort Worth, Texas. Officials say Aaron Alexis, an information technology employee with a defense contractor who once was a member of the Wat Busayadhammavanaram temple headed by Pundisto, used a valid pass to get into the Washington Navy Yard building where he opened fire Monday, Sept. 16, 2013, killing 12 people. (AP PhotoLM Otero)
Kasem Pundisto, a buddhist monk, stands outside the temple once attended by Aaron Alexis Tuesday, Sept. 17, 2013, in Fort Worth, Texas. Officials say Aaron Alexis, an information technology employee with a defense contractor who once was a member of the Wat Busayadhammavanaram temple headed by Pundisto, used a valid pass to get into the Washington Navy Yard building where he opened fire Monday, Sept. 16, 2013, killing 12 people. (AP Photo/LM Otero)
Washington Metropolitan Police Chief Cathy Lanier listens to a question at a news conference about the shootings at the Washington Navy Yard, while outside of the FBI Washington Field Office, in Washington, on Tuesday, Sept. 17, 2013, the day after the shootings at the Navy Yard. (AP PhotoJacquelyn Martin)
Washington Metropolitan Police Chief Cathy Lanier listens to a question at a news conference about the shootings at the Washington Navy Yard, while outside of the FBI Washington Field Office, in Washington, on Tuesday, Sept. 17, 2013, the day after the shootings at the Navy Yard. (AP Photo/Jacquelyn Martin)
Secretary of the Navy Ray Mabus, left, speaks with Vice Adm. William Hilarides, commander of Naval Sea Systems Command, before a wreath laying ceremony on Tuesday, Sept. 17, 2013, at the Navy Memorial in Washington. The NAVSEA building at the Washington Navy Yard was the site of a shooting Sept. 16. (AP Photo U.S. Navy Media Content Service, Arif Patani)
Secretary of the Navy Ray Mabus, left, speaks with Vice Adm. William Hilarides, commander of Naval Sea Systems Command, before a wreath laying ceremony on Tuesday, Sept. 17, 2013, at the Navy Memorial in Washington. The NAVSEA building at the Washington Navy Yard was the site of a shooting Sept. 16. (AP Photo/ U.S. Navy Media Content Service, Arif Patani)
This photo provided by the Rotary Club of Lexington Park, shows Frank Kohler, the 50-year-old man from Tall Timbers, Md., who was one of the 12 victims killed in the shooting rampage at the Washington Navy Yard on Monday, Sept. 16, 2013. (AP PhotoCourtesy of Rotary Club of Lexington Park)
This photo provided by the Rotary Club of Lexington Park, shows Frank Kohler, the 50-year-old man from Tall Timbers, Md., who was one of the 12 victims killed in the shooting rampage at the Washington Navy Yard on Monday, Sept. 16, 2013. (AP Photo/Courtesy of Rotary Club of Lexington Park)
U.S. Park Police Aviation Division Rescue Technician Sgt. Dave Tolson, left, helicopter pilot Sgt. Kenneth Burchell, center, and Officer Michael Abate, obscured, talk to reporters about their operation flying over the Navy Yard, during a news conference at the U. S. Park Police Anacostia Station in Washington, Tuesday, Sept. 17, 2013. A dozen people died in a shooting rampage Monday at the Washington Navy Yard. (AP PhotoManuel Balce Ceneta)
U.S. Park Police Aviation Division Rescue Technician Sgt. Dave Tolson, left, helicopter pilot Sgt. Kenneth Burchell, center, and Officer Michael Abate, obscured, talk to reporters about their operation flying over the Navy Yard, during a news conference at the U. S. Park Police Anacostia Station in Washington, Tuesday, Sept. 17, 2013. A dozen people died in a shooting rampage Monday at the Washington Navy Yard. (AP Photo/Manuel Balce Ceneta)
The Atlanta Braves observe a moment of silence before a baseball game against the Washington Nationals at Nationals Park Tuesday, Sept. 17, 2013, in Washington, to honor those killed and injured in Mondays attack at the nearby Washington Navy Yard. (AP PhotoAlex Brandon)
The Atlanta Braves observe a moment of silence before a baseball game against the Washington Nationals at Nationals Park Tuesday, Sept. 17, 2013, in Washington, to honor those killed and injured in Monday's attack at the nearby Washington Navy Yard. (AP Photo/Alex Brandon)
Washington Nationals left fielder Bryce Harper arrives in the dugout wearing a Navy hat before a baseball game against the Atlanta Braves at Nationals Park Tuesday, Sept. 17, 2013, in Washington. The Nationals wore Navy hats, presented to them by Adm. James A. Winnefield, vice-chairman of the Joint Chiefs of Staff, before the game, to honor those killed and injured in the attack Monday at the nearby Washington Navy Yard. (AP PhotoAlex Brandon)
Washington Nationals left fielder Bryce Harper arrives in the dugout wearing a Navy hat before a baseball game against the Atlanta Braves at Nationals Park Tuesday, Sept. 17, 2013, in Washington. The Nationals wore Navy hats, presented to them by Adm. James A. Winnefield, vice-chairman of the Joint Chiefs of Staff, before the game, to honor those killed and injured in the attack Monday at the nearby Washington Navy Yard. (AP Photo/Alex Brandon)
Washington Nationals third base coach Trent Jewett holds a Navy hat during moment of silence before a baseball game against the Atlanta Braves at Nationals Park Tuesday, Sept. 17, 2013, in Washington. The Nationals wore Navy hats, presented to them by Adm. James A. Winnefield, vice-chairman of the Joint Chiefs of Staff, before the game, to honor those killed and injured in the attack Monday at the nearby Washington Navy Yard. (AP PhotoAlex Brandon)
Washington Nationals third base coach Trent Jewett holds a Navy hat during moment of silence before a baseball game against the Atlanta Braves at Nationals Park Tuesday, Sept. 17, 2013, in Washington. The Nationals wore Navy hats, presented to them by Adm. James A. Winnefield, vice-chairman of the Joint Chiefs of Staff, before the game, to honor those killed and injured in the attack Monday at the nearby Washington Navy Yard. (AP Photo/Alex Brandon)
Holding Navy hats, Washington Nationals manager Davey Johnson, right, and others observe a moment of silence before a baseball game against the Atlanta Braves at Nationals Park Tuesday, Sept. 17, 2013, in Washington. The Nationals wore Navy hats, presented to them by Adm. James A. Winnefield, vice-chairman of the Joint Chiefs of Staff, before the game, to honor those killed and injured in the attack Monday at the nearby Washington Navy Yard. (AP PhotoAlex Brandon)
Holding Navy hats, Washington Nationals manager Davey Johnson, right, and others observe a moment of silence before a baseball game against the Atlanta Braves at Nationals Park Tuesday, Sept. 17, 2013, in Washington. The Nationals wore Navy hats, presented to them by Adm. James A. Winnefield, vice-chairman of the Joint Chiefs of Staff, before the game, to honor those killed and injured in the attack Monday at the nearby Washington Navy Yard. (AP Photo/Alex Brandon)
Holding Navy hats, Washington Nationals manager Davey Johnson, right, and others observe a moment of silence before a baseball game against the Atlanta Braves at Nationals Park Tuesday, Sept. 17, 2013, in Washington. The Nationals wore Navy hats, presented to them by Adm. James A. Winnefield, vice-chairman of the Joint Chiefs of Staff, before the game, to honor those killed and injured in the attack Monday at the nearby Washington Navy Yard. (AP PhotoAlex Brandon)
Holding Navy hats, Washington Nationals manager Davey Johnson, right, and others observe a moment of silence before a baseball game against the Atlanta Braves at Nationals Park Tuesday, Sept. 17, 2013, in Washington. The Nationals wore Navy hats, presented to them by Adm. James A. Winnefield, vice-chairman of the Joint Chiefs of Staff, before the game, to honor those killed and injured in the attack Monday at the nearby Washington Navy Yard. (AP Photo/Alex Brandon)
Defense Secretary Chuck Hagel, right, leads a delegation at the Navy Memorial in Washington to remember the victims of Mondays deadly shooting at the Washington Navy Yard, Tuesday, Sept. 17, 2013. From left to right are Adm. James A. Winnefeld, Jr., vice chairman of the Joint Chiefs, Secretary of the Navy Ray Mabus, Chief of Naval Operations Adm. Jonathan Greenert, Joint Chiefs Chairman Gen. Martin Dempsey, and Defense Secretary Chuck Hagel. (AP PhotoJ. Scott Applewhite)
Defense Secretary Chuck Hagel, right, leads a delegation at the Navy Memorial in Washington to remember the victims of Monday's deadly shooting at the Washington Navy Yard, Tuesday, Sept. 17, 2013. From left to right are Adm. James A. Winnefeld, Jr., vice chairman of the Joint Chiefs, Secretary of the Navy Ray Mabus, Chief of Naval Operations Adm. Jonathan Greenert, Joint Chiefs Chairman Gen. Martin Dempsey, and Defense Secretary Chuck Hagel. (AP Photo/J. Scott Applewhite)
Defense Secretary Chuck Hagel, right, and Joint Chiefs Chairman Gen. Martin Dempsey, second from right, present a wreath at the Navy Memorial in Washington to remember the victims of Mondays deadly shooting at the Washington Navy Yard, Tuesday, Sept. 17, 2013. (AP PhotoJ. Scott Applewhite)
Defense Secretary Chuck Hagel, right, and Joint Chiefs Chairman Gen. Martin Dempsey, second from right, present a wreath at the Navy Memorial in Washington to remember the victims of Monday's deadly shooting at the Washington Navy Yard, Tuesday, Sept. 17, 2013. (AP Photo/J. Scott Applewhite)
The American flags surrounding the Washington Monument fly at half-staff as ordered by President Barack Obama following the deadly shooting Monday at the Washington Navy Yard, Tuesday morning, Sept. 17, 2013, in Washington. (AP PhotoJ. Scott Applewhite)
The American flags surrounding the Washington Monument fly at half-staff as ordered by President Barack Obama following the deadly shooting Monday at the Washington Navy Yard, Tuesday morning, Sept. 17, 2013, in Washington. (AP Photo/J. Scott Applewhite)
A member of the Navy has her ID checked as only essential personnel are allowed in to a closed Washington Navy Yard in Washington, on Tuesday, Sept. 17, 2013, the day after a gunman launched an attack inside the Washington Navy Yard on Monday, spraying gunfire on office workers in the cafeteria and in the hallways at the heavily secured military installation in the heart of the nations capital. (AP PhotoJacquelyn Martin)
A member of the Navy has her ID checked as only essential personnel are allowed in to a closed Washington Navy Yard in Washington, on Tuesday, Sept. 17, 2013, the day after a gunman launched an attack inside the Washington Navy Yard on Monday, spraying gunfire on office workers in the cafeteria and in the hallways at the heavily secured military installation in the heart of the nation's capital. (AP Photo/Jacquelyn Martin)
Essential personnel are allowed into a closed Washington Navy Yard in Washington, on Tuesday, Sept. 17, 2013, the day after a gunman launched an attack inside the Washington Navy Yard on Monday, spraying gunfire on office workers in the cafeteria and in the hallways at the heavily secured military installation in the heart of the nations capital. (AP PhotoJacquelyn Martin)
Essential personnel are allowed into a closed Washington Navy Yard in Washington, on Tuesday, Sept. 17, 2013, the day after a gunman launched an attack inside the Washington Navy Yard on Monday, spraying gunfire on office workers in the cafeteria and in the hallways at the heavily secured military installation in the heart of the nation's capital. (AP Photo/Jacquelyn Martin)
Essential personnel are allowed into a closed Washington Navy Yard in Washington, on Tuesday, Sept. 17, 2013, the day after a gunman launched an attack inside the Washington Navy Yard on Monday, spraying gunfire on office workers in the cafeteria and in the hallways at the heavily secured military installation in the heart of the nations capital. (AP PhotoJacquelyn Martin)
Essential personnel are allowed into a closed Washington Navy Yard in Washington, on Tuesday, Sept. 17, 2013, the day after a gunman launched an attack inside the Washington Navy Yard on Monday, spraying gunfire on office workers in the cafeteria and in the hallways at the heavily secured military installation in the heart of the nation's capital. (AP Photo/Jacquelyn Martin)
A member of the Navy has her ID checked as only essential personnel are allowed in to a closed Washington Navy Yard in Washington, on Tuesday, Sept. 17, 2013, the day after a gunman launched an attack inside the Washington Navy Yard on Monday, spraying gunfire on office workers in the cafeteria and in the hallways at the heavily secured military installation in the heart of the nations capital. (AP PhotoJacquelyn Martin)
A member of the Navy has her ID checked as only essential personnel are allowed in to a closed Washington Navy Yard in Washington, on Tuesday, Sept. 17, 2013, the day after a gunman launched an attack inside the Washington Navy Yard on Monday, spraying gunfire on office workers in the cafeteria and in the hallways at the heavily secured military installation in the heart of the nation's capital. (AP Photo/Jacquelyn Martin)
A bouquet of flowers from a man who would identify himself only as a Navy Yard employee rest on an anchor outside of the closed Washington Navy Yard in Washington, on Tuesday, Sept. 17, 2013, the day after a gunman launched an attack inside the Washington Navy Yard on Monday, spraying gunfire on office workers in the cafeteria and in the hallways at the heavily secured military installation in the heart of the nations capital. (AP PhotoJacquelyn Martin)
A bouquet of flowers from a man who would identify himself only as a Navy Yard employee rest on an anchor outside of the closed Washington Navy Yard in Washington, on Tuesday, Sept. 17, 2013, the day after a gunman launched an attack inside the Washington Navy Yard on Monday, spraying gunfire on office workers in the cafeteria and in the hallways at the heavily secured military installation in the heart of the nation's capital. (AP Photo/Jacquelyn Martin)
A woman who asked not to be named is turned away after arriving at the Washington Navy Yard as it is closed except to essential personnel in Washington, on Tuesday, Sept. 17, 2013, the day after a gunman launched an attack inside the Washington Navy Yard on Monday, spraying gunfire on office workers in the cafeteria and in the hallways at the heavily secured military installation in the heart of the nations capital. (AP PhotoJacquelyn Martin)
A woman who asked not to be named is turned away after arriving at the Washington Navy Yard as it is closed except to essential personnel in Washington, on Tuesday, Sept. 17, 2013, the day after a gunman launched an attack inside the Washington Navy Yard on Monday, spraying gunfire on office workers in the cafeteria and in the hallways at the heavily secured military installation in the heart of the nation's capital. (AP Photo/Jacquelyn Martin)
A bouquet of flowers from a man, who would identify himself only as a Navy Yard employee, rests on an anchor at the entrance of the Washington Navy Yard in Washington, on Tuesday, Sept. 17, 2013, the day after a gunman launched an attack inside the Washington Navy Yard on Monday, spraying gunfire on office workers in the cafeteria and in the hallways at the heavily secured military installation in the heart of the nations capital. (AP PhotoJacquelyn Martin)
A bouquet of flowers from a man, who would identify himself only as a Navy Yard employee, rests on an anchor at the entrance of the Washington Navy Yard in Washington, on Tuesday, Sept. 17, 2013, the day after a gunman launched an attack inside the Washington Navy Yard on Monday, spraying gunfire on office workers in the cafeteria and in the hallways at the heavily secured military installation in the heart of the nation's capital. (AP Photo/Jacquelyn Martin)
Investigators enter a Residence Inn hotel where it is believed the gunman involved in the Washington Navy Yard shooting had been staying, Monday Sept. 16, 2013 in Washington. Aaron Alexis, a former Navy reservist went on a shooting rampage Monday inside a building at the heavily secured Washington Navy Yard, firing from a balcony onto office workers in an atrium below, authorities and witnesses said.(AP PhotoAlex Brandon)
Investigators enter a Residence Inn hotel where it is believed the gunman involved in the Washington Navy Yard shooting had been staying, Monday Sept. 16, 2013 in Washington. Aaron Alexis, a former Navy reservist went on a shooting rampage Monday inside a building at the heavily secured Washington Navy Yard, firing from a balcony onto office workers in an atrium below, authorities and witnesses said.(AP Photo/Alex Brandon)
A police officer gives instructions to people coming out of the main gate of the Washington Navy Yard facility who were trapped inside during a lock down when at least one gunman launched an attack inside a building at the Navy Yard, Monday, Sept. 16, 2013. (AP PhotoManuel Balce Ceneta)
A police officer gives instructions to people coming out of the main gate of the Washington Navy Yard facility who were trapped inside during a lock down when at least one gunman launched an attack inside a building at the Navy Yard, Monday, Sept. 16, 2013. (AP Photo/Manuel Balce Ceneta)
Staff of the Naval Sea Systems Command headquarters exchange a salute while being greeted by family and friends as they are bused from the Washington Navy Yard to Nationals Park, in Washington, Monday, Sept. 16, 2013. At least one gunman launched an attack inside the Washington Navy Yard, spraying gunfire on office workers in the cafeteria and in the hallways at the heavily secured military installation in the heart of the nations capital, authorities said. (AP PhotoJacquelyn Martin)
Staff of the Naval Sea Systems Command headquarters exchange a salute while being greeted by family and friends as they are bused from the Washington Navy Yard to Nationals Park, in Washington, Monday, Sept. 16, 2013. At least one gunman launched an attack inside the Washington Navy Yard, spraying gunfire on office workers in the cafeteria and in the hallways at the heavily secured military installation in the heart of the nation's capital, authorities said. (AP Photo/Jacquelyn Martin)
Family and friends wait to greet staff of the Naval Sea Systems Command headquarters as they are bused from the Washington Navy Yard to Nationals Park, in Washington, Monday, Sept. 16, 2013. At least one gunman launched an attack inside the Washington Navy Yard, spraying gunfire on office workers in the cafeteria and in the hallways at the heavily secured military installation in the heart of the nations capital, authorities said. (AP PhotoJacquelyn Martin)
Family and friends wait to greet staff of the Naval Sea Systems Command headquarters as they are bused from the Washington Navy Yard to Nationals Park, in Washington, Monday, Sept. 16, 2013. At least one gunman launched an attack inside the Washington Navy Yard, spraying gunfire on office workers in the cafeteria and in the hallways at the heavily secured military installation in the heart of the nation's capital, authorities said. (AP Photo/Jacquelyn Martin)
Family and friends rush to greet staff of the Naval Sea Systems Command headquarters after they were bused from the Washington Navy Yard to Nationals Park, in Washington, Monday, Sept. 16, 2013. At least one gunman launched an attack inside the Washington Navy Yard, spraying gunfire on office workers in the cafeteria and in the hallways at the heavily secured military installation in the heart of the nations capital, authorities said. (AP PhotoJacquelyn Martin)
Family and friends rush to greet staff of the Naval Sea Systems Command headquarters after they were bused from the Washington Navy Yard to Nationals Park, in Washington, Monday, Sept. 16, 2013. At least one gunman launched an attack inside the Washington Navy Yard, spraying gunfire on office workers in the cafeteria and in the hallways at the heavily secured military installation in the heart of the nation's capital, authorities said. (AP Photo/Jacquelyn Martin)
A woman gestures on the phone as staff of the Naval Sea Systems Command headquarters arrive at Nationals Park after bused from the Washington Navy Yard, in Washington, Monday, Sept. 16, 2013. At least one gunman launched an attack inside the Washington Navy Yard, spraying gunfire on office workers in the cafeteria and in the hallways at the heavily secured military installation in the heart of the nations capital, authorities said. (AP PhotoJacquelyn Martin)
A woman gestures on the phone as staff of the Naval Sea Systems Command headquarters arrive at Nationals Park after bused from the Washington Navy Yard, in Washington, Monday, Sept. 16, 2013. At least one gunman launched an attack inside the Washington Navy Yard, spraying gunfire on office workers in the cafeteria and in the hallways at the heavily secured military installation in the heart of the nation's capital, authorities said. (AP Photo/Jacquelyn Martin)
Staff of the Naval Sea Systems Command headquarters walk away from Nationals Park after being bused there from the Washington Navy Yard in Washington, Monday, Sept. 16, 2013. At least one gunman launched an attack inside the Washington Navy Yard, spraying gunfire on office workers in the cafeteria and in the hallways at the heavily secured military installation in the heart of the nations capital, authorities said. (AP PhotoJacquelyn Martin)
Staff of the Naval Sea Systems Command headquarters walk away from Nationals Park after being bused there from the Washington Navy Yard in Washington, Monday, Sept. 16, 2013. At least one gunman launched an attack inside the Washington Navy Yard, spraying gunfire on office workers in the cafeteria and in the hallways at the heavily secured military installation in the heart of the nation's capital, authorities said. (AP Photo/Jacquelyn Martin)
A flag flies at half-staff above the White House after President Barack Obama made the proclamation to honor the victims of the shootings at the Washington Navy Yard on Monday, Sept. 16, 2013 in Washington. At least one gunman launched an attack inside the Washington Navy Yard, spraying gunfire on office workers in the cafeteria and in the hallways at the heavily secured military installation in the heart of the nations capital, authorities said. (AP PhotoEvan Vucci)
A flag flies at half-staff above the White House after President Barack Obama made the proclamation to honor the victims of the shootings at the Washington Navy Yard on Monday, Sept. 16, 2013 in Washington. At least one gunman launched an attack inside the Washington Navy Yard, spraying gunfire on office workers in the cafeteria and in the hallways at the heavily secured military installation in the heart of the nation's capital, authorities said. (AP Photo/Evan Vucci)
Wanda Griggs, right, hugs her son Bernard Griggs after she was evacuated from the Washington Navy Yard to Nationals Park, Monday Sept. 16, 2013, in Washington. At least one gunman launched an attack inside the Washington Navy Yard, spraying gunfire on office workers in the cafeteria and in the hallways at the heavily secured military installation in the heart of the nations capital, authorities said. (AP PhotoAlex Brandon)
Wanda Griggs, right, hugs her son Bernard Griggs after she was evacuated from the Washington Navy Yard to Nationals Park, Monday Sept. 16, 2013, in Washington. At least one gunman launched an attack inside the Washington Navy Yard, spraying gunfire on office workers in the cafeteria and in the hallways at the heavily secured military installation in the heart of the nation's capital, authorities said. (AP Photo/Alex Brandon)
Nii Oti-Ankrah, left, kisses his wife Sally Appiah-Ankrah as he holds their son Eilam Ankrah after she was evacuated from building 197 at the Washington Navy Yard, Monday Sept. 16, 2013 in Washington. At least one gunman launched an attack inside the Washington Navy Yard, spraying gunfire on office workers in the cafeteria and in the hallways at the heavily secured military installation in the heart of the nations capital, authorities said. (AP PhotoAlex Brandon)
Nii Oti-Ankrah, left, kisses his wife Sally Appiah-Ankrah as he holds their son Eilam Ankrah after she was evacuated from building 197 at the Washington Navy Yard, Monday Sept. 16, 2013 in Washington. At least one gunman launched an attack inside the Washington Navy Yard, spraying gunfire on office workers in the cafeteria and in the hallways at the heavily secured military installation in the heart of the nation's capital, authorities said. (AP Photo/Alex Brandon)
A small group holds a candle light vigil on Freedom Plaza to remember the victims of the shooting at the Washington Navy Yard, Monday, Sept. 16, 2013, in Washington. (AP PhotoJ. Scott Applewhite)
A small group holds a candle light vigil on Freedom Plaza to remember the victims of the shooting at the Washington Navy Yard, Monday, Sept. 16, 2013, in Washington. (AP Photo/J. Scott Applewhite)
Seattle police officers depart the home of at least one relative of Aaron Alexis, the man identified as the shooter in the Washington Navy Yard shootings, after speaking with an occupant on Monday, Sept. 16, 2013, in Seattle. According to public documents, Alexis lived in Seattle at the home in 2004 and 2005. (AP PhotoElaine Thompson)
Seattle police officers depart the home of at least one relative of Aaron Alexis, the man identified as the shooter in the Washington Navy Yard shootings, after speaking with an occupant on Monday, Sept. 16, 2013, in Seattle. According to public documents, Alexis lived in Seattle at the home in 2004 and 2005. (AP Photo/Elaine Thompson)
Seattle police officers walk toward a home where Aaron Alexis, the man identified as the shooter in the Washington Navy Yard shootings, has a connection with Monday, Sept. 16, 2013, in Seattle. According to public documents, Alexis lived in Seattle at the home in 2004 and 2005. (AP PhotoElaine Thompson)
Seattle police officers walk toward a home where Aaron Alexis, the man identified as the shooter in the Washington Navy Yard shootings, has a connection with Monday, Sept. 16, 2013, in Seattle. According to public documents, Alexis lived in Seattle at the home in 2004 and 2005. (AP Photo/Elaine Thompson)
This undated cell phone photo provided by Kristi Kinard Suthamtewakul shows Aaron Alexis in Fort Worth, Texas. The FBI has identified Alexis, 34, as the gunman in the Monday, Sept. 16, 2013 shooting rampage at the Washington Navy Yard in Washington that left thirteen dead, including himself. (AP PhotoKristi Kinard Suthamtewakul)
This undated cell phone photo provided by Kristi Kinard Suthamtewakul shows Aaron Alexis in Fort Worth, Texas. The FBI has identified Alexis, 34, as the gunman in the Monday, Sept. 16, 2013 shooting rampage at the Washington Navy Yard in Washington that left thirteen dead, including himself. (AP Photo/Kristi Kinard Suthamtewakul)
Edith Hutchins kisses her husband Shawn Hutchins as she picks him up at Nationals Park after he was evacuated from the Washington Navy Yard, Monday Sept. 16, 2013, in Washington. At least one gunman launched an attack inside the Washington Navy Yard, spraying gunfire on office workers in the cafeteria and in the hallways at the heavily secured military installation in the heart of the nations capital, authorities said. (AP PhotoAlex Brandon)
Edith Hutchins kisses her husband Shawn Hutchins as she picks him up at Nationals Park after he was evacuated from the Washington Navy Yard, Monday Sept. 16, 2013, in Washington. At least one gunman launched an attack inside the Washington Navy Yard, spraying gunfire on office workers in the cafeteria and in the hallways at the heavily secured military installation in the heart of the nation's capital, authorities said. (AP Photo/Alex Brandon)
Three women embrace near Nationals Park where family members waited to greet loved ones that were at the Washington Navy Yard, Monday Sept. 16, 2013, in Washington. At least one gunman launched an attack inside the Washington Navy Yard, spraying gunfire on office workers in the cafeteria and in the hallways at the heavily secured military installation in the heart of the nations capital, authorities said. (AP PhotoAlex Brandon)
Three women embrace near Nationals Park where family members waited to greet loved ones that were at the Washington Navy Yard, Monday Sept. 16, 2013, in Washington. At least one gunman launched an attack inside the Washington Navy Yard, spraying gunfire on office workers in the cafeteria and in the hallways at the heavily secured military installation in the heart of the nation's capital, authorities said. (AP Photo/Alex Brandon)
A small group holds a candle light vigil on Freedom Plaza to remember the victims of the shooting at the Washington Navy Yard, Monday, Sept. 16, 2013, in Washington. (AP PhotoJ. Scott Applewhite)
A small group holds a candle light vigil on Freedom Plaza to remember the victims of the shooting at the Washington Navy Yard, Monday, Sept. 16, 2013, in Washington. (AP Photo/J. Scott Applewhite)
A small group holds a candle light vigil on Freedom Plaza to remember the victims of the shooting at the Washington Navy Yard, Monday, Sept. 16, 2013, in Washington. (AP PhotoJ. Scott Applewhite)
A small group holds a candle light vigil on Freedom Plaza to remember the victims of the shooting at the Washington Navy Yard, Monday, Sept. 16, 2013, in Washington. (AP Photo/J. Scott Applewhite)
People sit near the U.S. Capitol as the American flag flies at half-staff at sunset following the shooting at the Washington Navy Yard, Monday, Sept. 16, 2013, in Washington. President Barack Obama ordered flags on federal property to be flown at half-staff through Friday. (AP PhotoJ. Scott Applewhite)
People sit near the U.S. Capitol as the American flag flies at half-staff at sunset following the shooting at the Washington Navy Yard, Monday, Sept. 16, 2013, in Washington. President Barack Obama ordered flags on federal property to be flown at half-staff through Friday. (AP Photo/J. Scott Applewhite)
The Reverend Rob Schenck bends in prayer near the Navy Yard. He lives in the neighborhood and was at the airport heading out of town when he heard the news and immediately changed his plans and returned home. At times like this you ask yourself what can you do As a minister what I do is pray. Rev. Schenck prayed for those who died, those wounded and those frightened. (WTOPBob Madigan)
The Reverend Rob Schenck bends in prayer near the Navy Yard. He lives in the neighborhood and was at the airport heading out of town when he heard the news and immediately changed his plans and returned home. "At times like this you ask yourself what can you do? As a minister what I do is pray." Rev. Schenck prayed for those who died, those wounded and those frightened. (WTOP/Bob Madigan)
This undated cell phone photo provided by Kristi Kinard Suthamtewakul shows a smiling Aaron Alexis in Fort Worth, Texas. The FBI has identified Alexis, 34, as the gunman in the Monday, Sept. 16, 2013 shooting rampage at at the Washington Navy Yard in Washington that left thirteen dead, including himself. (AP PhotoKristi Kinard Suthamtewakul)
This undated cell phone photo provided by Kristi Kinard Suthamtewakul shows a smiling Aaron Alexis in Fort Worth, Texas. The FBI has identified Alexis, 34, as the gunman in the Monday, Sept. 16, 2013 shooting rampage at at the Washington Navy Yard in Washington that left thirteen dead, including himself. (AP Photo/Kristi Kinard Suthamtewakul)
This booking photo provided by the Fort Worth Police Department shows Aaron Alexis, arrested in September, 2010, on suspicion of discharging a firearm in the city limits. The FBI has identified Alexis, 34, as the gunman in the Monday, Sept. 16, 2013 shooting rampage at at the Washington Navy Yard in Washington left thirteen dead, including himself. (AP Photo Fort Worth Police Department)
This booking photo provided by the Fort Worth Police Department shows Aaron Alexis, arrested in September, 2010, on suspicion of discharging a firearm in the city limits. The FBI has identified Alexis, 34, as the gunman in the Monday, Sept. 16, 2013 shooting rampage at at the Washington Navy Yard in Washington left thirteen dead, including himself. (AP Photo/ Fort Worth Police Department)
A reporter knocks on the door of the last known address of Aaron Alexis Monday, Sept. 16, 2013, in Fort Worth, Texas. Police have identified Alexis as the gunman in Mondays shooting rampage at at the Washington Navy Yard in Washington. Mayor Vincent Gray said at a news conference Monday afternoon that Alexis was among the dead. (AP PhotoLM Otero)
A reporter knocks on the door of the last known address of Aaron Alexis Monday, Sept. 16, 2013, in Fort Worth, Texas. Police have identified Alexis as the gunman in Monday's shooting rampage at at the Washington Navy Yard in Washington. Mayor Vincent Gray said at a news conference Monday afternoon that Alexis was among the dead. (AP Photo/LM Otero)
Debris sits in front of the last known address of Aaron Alexis Monday, Sept. 16, 2013, in Fort Worth, Texas. Police have identified Alexis as the gunman in Mondays shooting rampage at at the Washington Navy Yard in Washington. Mayor Vincent Gray said at a news conference Monday afternoon that Alexis was among the dead. (AP PhotoLM Otero)
Debris sits in front of the last known address of Aaron Alexis Monday, Sept. 16, 2013, in Fort Worth, Texas. Police have identified Alexis as the gunman in Monday's shooting rampage at at the Washington Navy Yard in Washington. Mayor Vincent Gray said at a news conference Monday afternoon that Alexis was among the dead. (AP Photo/LM Otero)
Secretary of the Navy Ray Mabus pauses as he speaks during a news conference at Washington Hospital Center, in Washington, on Monday, Sept. 16, 2013. At least one gunman launched an attack inside the Washington Navy Yard, spraying gunfire on office workers in the cafeteria and in the hallways at the heavily secured military installation in the heart of the nations capital, authorities said. (AP PhotoJose Luis Magana)
Secretary of the Navy Ray Mabus pauses as he speaks during a news conference at Washington Hospital Center, in Washington, on Monday, Sept. 16, 2013. At least one gunman launched an attack inside the Washington Navy Yard, spraying gunfire on office workers in the cafeteria and in the hallways at the heavily secured military installation in the heart of the nation's capital, authorities said. (AP Photo/Jose Luis Magana)
Secretary of the Navy Ray Mabus walks out of the Washington Hospital Center, where several of the victims from the attack at the Washington Navy Yard in Washington, Monday, Sept. 16, 2013. At least one gunman launched an attack inside the Washington Navy Yard, spraying gunfire on office workers in the cafeteria and in the hallways at the heavily secured military installation in the heart of the nations capital, authorities said. (AP PhotoJose Luis Magana)
Secretary of the Navy Ray Mabus walks out of the Washington Hospital Center, where several of the victims from the attack at the Washington Navy Yard in Washington, Monday, Sept. 16, 2013. At least one gunman launched an attack inside the Washington Navy Yard, spraying gunfire on office workers in the cafeteria and in the hallways at the heavily secured military installation in the heart of the nation's capital, authorities said. (AP Photo/Jose Luis Magana)
Restaurant owner Oui Suthamtewakul, right, and Micheal Ritrovato speak about working with Aaron Alexis , who was once employed by Suthamtewakul, Monday, Sept. 16, 2013, in Fort Worth, Texas. Police have identified Alexis as the gunman in Mondays shooting rampage at at the Washington Navy Yard in Washington. Mayor Vincent Gray said at a news conference Monday afternoon that Alexis was among the dead. (AP PhotoLM Otero)
Restaurant owner Oui Suthamtewakul, right, and Micheal Ritrovato speak about working with Aaron Alexis , who was once employed by Suthamtewakul, Monday, Sept. 16, 2013, in Fort Worth, Texas. Police have identified Alexis as the gunman in Monday's shooting rampage at at the Washington Navy Yard in Washington. Mayor Vincent Gray said at a news conference Monday afternoon that Alexis was among the dead. (AP Photo/LM Otero)
A U.S. Park Police helicopter circles over the Washington Navy Yard after a gunman was reported at the Washington Navy Yard in Washington, on Monday, Sept. 16, 2013. At least one gunman launched an attack inside the Washington Navy Yard, spraying gunfire on office workers in the cafeteria and in the hallways at the heavily secured military installation in the heart of the nations capital, authorities said. (AP PhotoJacquelyn Martin)
A U.S. Park Police helicopter circles over the Washington Navy Yard after a gunman was reported at the Washington Navy Yard in Washington, on Monday, Sept. 16, 2013. At least one gunman launched an attack inside the Washington Navy Yard, spraying gunfire on office workers in the cafeteria and in the hallways at the heavily secured military installation in the heart of the nation's capital, authorities said. (AP Photo/Jacquelyn Martin)
A police boat patrols near the scene of a shooting at the Washington Navy Yard on Monday, Sept. 16, 2013, in Washington. At least one gunman opened fire inside a building at the Washington Navy Yard, and officials said six people were killed and as many as 10 were wounded, including a law enforcement officer. (AP PhotoEvan Vucci)
A police boat patrols near the scene of a shooting at the Washington Navy Yard on Monday, Sept. 16, 2013, in Washington. At least one gunman opened fire inside a building at the Washington Navy Yard, and officials said six people were killed and as many as 10 were wounded, including a law enforcement officer. (AP Photo/Evan Vucci)
Armed police prepare to enter the Washington Navy Yard as they respond to a shooting in Washington, Monday, Sept. 16, 2013. At least one gunman opened fire inside a building at the Navy yard. (AP PhotoManuel Balce Ceneta)
Armed police prepare to enter the Washington Navy Yard as they respond to a shooting in Washington, Monday, Sept. 16, 2013. At least one gunman opened fire inside a building at the Navy yard. (AP Photo/Manuel Balce Ceneta)
Police responding to the shooting at the Washington Navy Yard, deploy on the rooftop of a Navy Yard building in Washington, Monday, Sept. 16, 2013. (AP PhotoManuel Balce Ceneta)
Police responding to the shooting at the Washington Navy Yard, deploy on the rooftop of a Navy Yard building in Washington, Monday, Sept. 16, 2013. (AP Photo/Manuel Balce Ceneta)
A U.S. Park Police helicopter circles the Washington Navy Yard Monday, Sept. 16, 2013, after a gunman was reported at the Navy Yard. Earlier in the day, the U.S. Navy said it was searching for an active shooter at the Naval Sea Systems Command headquarters, where about 3,000 people work. The exact number of people killed and the conditions of those wounded was not immediately known. (AP PhotoJacquelyn Martin)
A U.S. Park Police helicopter circles the Washington Navy Yard Monday, Sept. 16, 2013, after a gunman was reported at the Navy Yard. Earlier in the day, the U.S. Navy said it was searching for an active shooter at the Naval Sea Systems Command headquarters, where about 3,000 people work. The exact number of people killed and the conditions of those wounded was not immediately known. (AP Photo/Jacquelyn Martin)
Law enforcement personnel are seen outside the gate into the Washington Navy Yard in Washington, Monday, Sept. 16, 2013. At least one gunman opened fire inside a building at the Washington Navy Yard on Monday morning, and officials said several people were killed and more were wounded, including a law enforcement officer. (AP PhotoSusan Walsh)
Law enforcement personnel are seen outside the gate into the Washington Navy Yard in Washington, Monday, Sept. 16, 2013. At least one gunman opened fire inside a building at the Washington Navy Yard on Monday morning, and officials said several people were killed and more were wounded, including a law enforcement officer. (AP Photo/Susan Walsh)
People hold their hands to their heads as they are escorted out of the building where a deadly shooting rampage occurred at the Washington Navy Yard in Washington, Monday, Sept. 16, 2013. One shooter was killed, but police said they were looking for two other possible gunmen wearing military-style uniforms. (AP PhotoJacquelyn Martin)
People hold their hands to their heads as they are escorted out of the building where a deadly shooting rampage occurred at the Washington Navy Yard in Washington, Monday, Sept. 16, 2013. One shooter was killed, but police said they were looking for two other possible gunmen wearing military-style uniforms. (AP Photo/Jacquelyn Martin)
D.C. Mayor Vince Gray answers questions at a news briefing on the Navy Yard shootings. (TwitterChristieWilkie)
D.C. Mayor Vince Gray answers questions at a news briefing on the Navy Yard shootings. (Twitter/@ChristieWilkie)
Jacqulind Alston looks to find husband Ernest Johnson at the Washington Navy Yard. (TwitterBruceLeshan)
Jacqulind Alston looks to find husband Ernest Johnson at the Washington Navy Yard. (Twitter/@BruceLeshan)
John Pruitt of La Plata, Md. waits for word on his dad. His dad works at the Navy Yard. (WTOPKate Ryan)
John Pruitt of La Plata, Md. waits for word on his dad. His dad works at the Navy Yard. (WTOP/Kate Ryan)
Man who identified himself as Bobby says wife saw the shooter firing. (WTOPKate Ryan)
Man who identified himself as Bobby says wife saw the shooter firing. (WTOP/Kate Ryan)
District of Columbia Police Chief Cathy Lanier briefs reporters on the shooting at the Washington Navy Yard in Washington, Monday, Sept. 16, 2013, where at least one gunman opened fire inside a building at the Washington Navy Yard. (AP PhotoSusan Walsh)
District of Columbia Police Chief Cathy Lanier briefs reporters on the shooting at the Washington Navy Yard in Washington, Monday, Sept. 16, 2013, where at least one gunman opened fire inside a building at the Washington Navy Yard. (AP Photo/Susan Walsh)
A U.S. Park Police helicopter flies over a building at the Washington Navy Yard in Washington, Monday, Sept. 16, 2013. At least one gunman opened fire inside a building at the Washington Navy Yard on Monday morning, (AP PhotoSusan Walsh)
A U.S. Park Police helicopter flies over a building at the Washington Navy Yard in Washington, Monday, Sept. 16, 2013. At least one gunman opened fire inside a building at the Washington Navy Yard on Monday morning, (AP Photo/Susan Walsh)
President Barack Obama speaks in the South Court Auditorium on the White House complex, Monday, Sept. 16, 2013, in Washington, about the economy. (AP PhotoCarolyn Kaster)
President Barack Obama speaks in the South Court Auditorium on the White House complex, Monday, Sept. 16, 2013, in Washington, about the economy. (AP Photo/Carolyn Kaster)
A U.S. Park Police helicopter continues a search pattern above the scene of a shooting at the Washington Navy Yard on Monday, Sept. 16, 2013, in Washington. (AP PhotoEvan Vucci)
A U.S. Park Police helicopter continues a search pattern above the scene of a shooting at the Washington Navy Yard on Monday, Sept. 16, 2013, in Washington. (AP Photo/Evan Vucci)
A U.S. Park Police helicopter flies over a building at the Washington Navy Yard in Washington, Monday, Sept. 16, 2013. President Barack Obama is mourning what he called yet another mass shooting in the United States that he says took the life of American patriots. (AP PhotoSusan Walsh)
A U.S. Park Police helicopter flies over a building at the Washington Navy Yard in Washington, Monday, Sept. 16, 2013. President Barack Obama is mourning what he called "yet another mass shooting" in the United States that he says took the life of American patriots. (AP Photo/Susan Walsh)
U.S. Capitol Police personnel keep watch on the East front of the Capitol as the investigation continues to the shooting at the nearby Washington Navy Yard Monday, Sept. 16, 2013, in Washington. At least one gunman opened fire inside a building at the Washington Navy Yard on Monday morning. (AP PhotoJ. Scott Applewhite)
U.S. Capitol Police personnel keep watch on the East front of the Capitol as the investigation continues to the shooting at the nearby Washington Navy Yard Monday, Sept. 16, 2013, in Washington. At least one gunman opened fire inside a building at the Washington Navy Yard on Monday morning. (AP Photo/J. Scott Applewhite)
Megan Fletcher, whose husband works at the Washington Navy Yard, is relieved to hear her husband is OK. She talks to police here. (WTOPKate Ryan)
Megan Fletcher, whose husband works at the Washington Navy Yard, is relieved to hear her husband is OK. She talks to police here. (WTOP/Kate Ryan)
District of Columbia Police Chief Cathy Lanier briefs reporters on the shooting at the Washington Navy Yard in Washington, Monday, Sept. 16, 2013. Standing to the right of Lanier is District of Columbia Mayor Vincent Gray. At least one gunman opened fire inside a building at the Washington Navy Yard on Monday morning (AP PhotoSusan Walsh)
District of Columbia Police Chief Cathy Lanier briefs reporters on the shooting at the Washington Navy Yard in Washington, Monday, Sept. 16, 2013. Standing to the right of Lanier is District of Columbia Mayor Vincent Gray. At least one gunman opened fire inside a building at the Washington Navy Yard on Monday morning (AP Photo/Susan Walsh)
A helicopter that has been airlifting people from the top of a building at the Washington Navy Yard circles the area after a gunman was reported at the Washington Navy Yard in Washington, on Monday, Sept. 16, 2013. The exact number of people killed and the conditions of those wounded was not immediately known. About 3,000 people work at the Naval Sea Systems Command headquarters. (AP PhotoJacquelyn Martin)
A helicopter that has been airlifting people from the top of a building at the Washington Navy Yard circles the area after a gunman was reported at the Washington Navy Yard in Washington, on Monday, Sept. 16, 2013. The exact number of people killed and the conditions of those wounded was not immediately known. About 3,000 people work at the Naval Sea Systems Command headquarters. (AP Photo/Jacquelyn Martin)
Security personnel respond near the Washington Navy Yard where a gunman was reported in Washington, on Monday, Sept. 16, 2013. At least one gunman opened fire inside a building at the Washington Navy Yard on Monday morning, and officials said six people were killed and as many as 10 were wounded, including a law enforcement officer. (AP PhotoManuel Balce Ceneta)
Security personnel respond near the Washington Navy Yard where a gunman was reported in Washington, on Monday, Sept. 16, 2013. At least one gunman opened fire inside a building at the Washington Navy Yard on Monday morning, and officials said six people were killed and as many as 10 were wounded, including a law enforcement officer. (AP Photo/Manuel Balce Ceneta)
A police boat patrols near the scene of a shooting at the Washington Navy Yard on Monday, Sept. 16, 2013, in Washington. At least one gunman opened fire inside a building at the Washington Navy Yard, and officials said six people were killed and as many as 10 were wounded, including a law enforcement officer. (AP Photo Evan Vucci)
A police boat patrols near the scene of a shooting at the Washington Navy Yard on Monday, Sept. 16, 2013, in Washington. At least one gunman opened fire inside a building at the Washington Navy Yard, and officials said six people were killed and as many as 10 were wounded, including a law enforcement officer. (AP Photo/ Evan Vucci)
Armed police prepare to enter the Washington Navy Yard as they respond to a shooting in Washington, Monday, Sept. 16, 2013. At least one gunman opened fire inside a building at the Navy yard. (AP PhotoManuel Balce Ceneta)
Armed police prepare to enter the Washington Navy Yard as they respond to a shooting in Washington, Monday, Sept. 16, 2013. At least one gunman opened fire inside a building at the Navy yard. (AP Photo/Manuel Balce Ceneta)
Patricia Ward, a logistics management specialist, said she was in the cafeteria. It was three gunshots straight in a row - pop, pop, pop. Three seconds later, it was pop, pop, pop, pop, pop, so it was like about a total of seven gunshots, and we just started running, Ward told reporters several blocks away from the Navy Yard. (WTOPDick Uliano)
Patricia Ward, a logistics management specialist, said she was in the cafeteria.

"It was three gunshots straight in a row - pop, pop, pop. Three seconds later, it was pop, pop, pop, pop, pop, so it was like about a total of seven gunshots, and we just started running," Ward told reporters several blocks away from the Navy Yard. (WTOP/Dick Uliano)

Members of the military guard a military garage near the Washington Navy Yard where a gunman was reported in Washington, on Monday, Sept. 16, 2013. The exact number of people killed and the conditions of those wounded was not immediately known. (AP PhotoJacquelyn Martin)
Members of the military guard a military garage near the Washington Navy Yard where a gunman was reported in Washington, on Monday, Sept. 16, 2013. The exact number of people killed and the conditions of those wounded was not immediately known. (AP Photo/Jacquelyn Martin)
Airplanes wait near the runway at Washington Reagan National Airport after the airport was shutdown for over an hour on Monday, Sept. 16, 2013 in Washington. (AP PhotosKevin Wolf)
Airplanes wait near the runway at Washington Reagan National Airport after the airport was shutdown for over an hour on Monday, Sept. 16, 2013 in Washington. (AP Photos/Kevin Wolf)
Emergency personnel respond to a reported shooting at the Washington Navy Yard, Monday, Sept. 16, 2013 in Washington. Police and federal agents from multiple law enforcement agencies responded to the scene. Ambulances were parked outside, streets in the area were closed and departures from Reagan National Airport were temporarily halted for security reasons. (AP PhotoManuel Balce Ceneta)
Emergency personnel respond to a reported shooting at the Washington Navy Yard, Monday, Sept. 16, 2013 in Washington. Police and federal agents from multiple law enforcement agencies responded to the scene. Ambulances were parked outside, streets in the area were closed and departures from Reagan National Airport were temporarily halted for security reasons. (AP Photo/Manuel Balce Ceneta)
Dr. Janis M. Orlowski, chief operating officer at Washington Hospital Center speaks at a news conference in Washington, Monday, Sept. 16, 2013, about the conditions of the people who were brought to the hospital from the shooting at the Washington Navy Yard building. Orlowski said the hospital was treating three gunshot victims in critical condition. One was Washington, D.C., metropolitan police officer and two were civilian women. (AP PhotoJose Luis Magana)
Dr. Janis M. Orlowski, chief operating officer at Washington Hospital Center speaks at a news conference in Washington, Monday, Sept. 16, 2013, about the conditions of the people who were brought to the hospital from the shooting at the Washington Navy Yard building. Orlowski said the hospital was treating three gunshot victims in critical condition. One was Washington, D.C., metropolitan police officer and two were civilian women. (AP Photo/Jose Luis Magana)
This photo, which AP obtained from Don Andres and has been authenticated based on details in it, shows emergency personnel attending to a scene where a gunman was reported at the Washington Navy Yard in Washington, on Monday, Sept. 16, 2013. At least one gunman opened fire inside a building at the Washington Navy Yard on Monday morning, and a Defense Department official said several people were killed and as many as 10 were wounded, including a law enforcement officer. (AP PhotoDon Andres)
This photo, which AP obtained from Don Andres and has been authenticated based on details in it, shows emergency personnel attending to a scene where a gunman was reported at the Washington Navy Yard in Washington, on Monday, Sept. 16, 2013. At least one gunman opened fire inside a building at the Washington Navy Yard on Monday morning, and a Defense Department official said several people were killed and as many as 10 were wounded, including a law enforcement officer. (AP Photo/Don Andres)
A U.S. Park Police helicopter circles the Washington Navy Yard Monday, Sept. 16, 2013, after a gunman was reported at the Navy Yard. Earlier in the day, the U.S. Navy said it was searching for an active shooter at the Naval Sea Systems Command headquarters, where about 3,000 people work. The exact number of people killed and the conditions of those wounded was not immediately known. (AP PhotoJacquelyn Martin)
A U.S. Park Police helicopter circles the Washington Navy Yard Monday, Sept. 16, 2013, after a gunman was reported at the Navy Yard. Earlier in the day, the U.S. Navy said it was searching for an active shooter at the Naval Sea Systems Command headquarters, where about 3,000 people work. The exact number of people killed and the conditions of those wounded was not immediately known. (AP Photo/Jacquelyn Martin)
U.S. Capitol Police personnel keep watch on the East Plaza of the Capitol as the investigation continues to the shooting at the nearby Washington Navy Yard Monday, Sept. 16, 2013, in Washington. At least one gunman opened fire inside a building at the Washington Navy Yard on Monday morning, and officials said six people were killed and as many as 10 were wounded, including a law enforcement officer. (AP PhotoJ. Scott Applewhite)
U.S. Capitol Police personnel keep watch on the East Plaza of the Capitol as the investigation continues to the shooting at the nearby Washington Navy Yard Monday, Sept. 16, 2013, in Washington. At least one gunman opened fire inside a building at the Washington Navy Yard on Monday morning, and officials said six people were killed and as many as 10 were wounded, including a law enforcement officer. (AP Photo/J. Scott Applewhite)
There is heavy police presence in and around the Navy Yard. (TwitterWTSPCarolyn)
There is heavy police presence in and around the Navy Yard. (Twitter/@WTSP_Carolyn)
Police are seen on M Street SE on the approach to the Navy Yard Gate. (WTOPKate Ryan)
Police are seen on M Street SE on the approach to the Navy Yard Gate. (WTOP/Kate Ryan)
A U.S. Park Police helicopter removes a man in a basket from the Washington Navy Yard Monday, Sept. 16, 2013. Earlier in the day, the U.S. Navy said it was searching for an active shooter at the Naval Sea Systems Command headquarters, where about 3,000 people work. The exact number of people killed and the conditions of those wounded was not immediately known. (AP PhotoJacquelyn Martin)
A U.S. Park Police helicopter removes a man in a basket from the Washington Navy Yard Monday, Sept. 16, 2013. Earlier in the day, the U.S. Navy said it was searching for an active shooter at the Naval Sea Systems Command headquarters, where about 3,000 people work. The exact number of people killed and the conditions of those wounded was not immediately known. (AP Photo/Jacquelyn Martin)
A U.S. Park Police helicopter removes a man in a basket from the Washington Navy Yard Monday, Sept. 16, 2013. Earlier in the day, the U.S. Navy said it was searching for an active shooter at the Naval Sea Systems Command headquarters, where about 3,000 people work. The exact number of people killed and the conditions of those wounded was not immediately known. (AP PhotoJacquelyn Martin)
A U.S. Park Police helicopter removes a man in a basket from the Washington Navy Yard Monday, Sept. 16, 2013. Earlier in the day, the U.S. Navy said it was searching for an active shooter at the Naval Sea Systems Command headquarters, where about 3,000 people work. The exact number of people killed and the conditions of those wounded was not immediately known. (AP Photo/Jacquelyn Martin)
A U.S. Park Police helicopter removes a man in a basket from the Washington Navy Yard Monday, Sept. 16, 2013. Earlier in the day, the U.S. Navy said it was searching for an active shooter at the Naval Sea Systems Command headquarters, where about 3,000 people work. The exact number of people killed and the conditions of those wounded was not immediately known. (AP PhotoJacquelyn Martin)
A U.S. Park Police helicopter removes a man in a basket from the Washington Navy Yard Monday, Sept. 16, 2013. Earlier in the day, the U.S. Navy said it was searching for an active shooter at the Naval Sea Systems Command headquarters, where about 3,000 people work. The exact number of people killed and the conditions of those wounded was not immediately known. (AP Photo/Jacquelyn Martin)
A U.S. Park Police helicopter removes a man in a basket from the Washington Navy Yard Monday, Sept. 16, 2013. Earlier in the day, the U.S. Navy said it was searching for an active shooter at the Naval Sea Systems Command headquarters, where about 3,000 people work. The exact number of people killed and the conditions of those wounded was not immediately known. (AP PhotoJacquelyn Martin)
A U.S. Park Police helicopter removes a man in a basket from the Washington Navy Yard Monday, Sept. 16, 2013. Earlier in the day, the U.S. Navy said it was searching for an active shooter at the Naval Sea Systems Command headquarters, where about 3,000 people work. The exact number of people killed and the conditions of those wounded was not immediately known. (AP Photo/Jacquelyn Martin)
Someone is airlifted from the scene of the shootings at the Washington Navy Yard. (TwitterNewsBreaker)
Someone is airlifted from the scene of the shootings at the Washington Navy Yard. (Twitter/@NewsBreaker)
Rescue and police helicopters are all over the skies above the Navy Yard (TwitterJoanSoley)
Rescue and police helicopters are all over the skies above the Navy Yard (Twitter/@JoanSoley)
George Washington Hospital confirms one person from the Washington Navy Yard was brought in at 907 a.m. (WTOPKristi King)
George Washington Hospital confirms one person from the Washington Navy Yard was brought in at 9:07 a.m. (WTOP/Kristi King)
A line of fire trucks is standing by to respond, if needed, to the Washington Navy Yard. (WTOPBrennan Haselton)
A line of fire trucks is standing by to respond, if needed, to the Washington Navy Yard. (WTOP/Brennan Haselton)
Heres what the scene looks like between 6th and 7th. Several people are dead after a shooting at the Washington Navy Yard. (WTOPBrennan Haselton)
Here's what the scene looks like between 6th and 7th. Several people are dead after a shooting at the Washington Navy Yard. (WTOP/Brennan Haselton)
Metropolitan Police Department cars are seen outside George Washington Hospital Center. There is no word yet on how many victims from the Washington Navy Yard may be at the hospital. (WTOPKristi King)
Metropolitan Police Department cars are seen outside George Washington Hospital Center. There is no word yet on how many victims from the Washington Navy Yard may be at the hospital. (WTOP/Kristi King)
Police work the scene on M Street S.E. in Washington, where a gunman was reported in a military building at the Washington Navy Yard Monday, Sept. 16, 2013. Shots have been fired and employees directed to a shelter. Police and federal agents from multiple law enforcement agencies responded to the scene and streets in the area were closed. (AP PhotoJacquelyn Martin)
Police work the scene on M Street S.E. in Washington, where a gunman was reported in a military building at the Washington Navy Yard Monday, Sept. 16, 2013. Shots have been fired and employees directed to a shelter. Police and federal agents from multiple law enforcement agencies responded to the scene and streets in the area were closed. (AP Photo/Jacquelyn Martin)
Police work the scene on M Street, SE in Washington near the Washington Navy Yard on Monday, Sept. 16, 2013. The U.S. Navy says one person is injured after a shooting at a Navy building in Washington. Police and emergency crews gathered Monday morning outside the Naval Sea Systems Command Headquarters building, where the shooting was reported. (AP PhotoJacquelyn Martin)
Police work the scene on M Street, SE in Washington near the Washington Navy Yard on Monday, Sept. 16, 2013. The U.S. Navy says one person is injured after a shooting at a Navy building in Washington. Police and emergency crews gathered Monday morning outside the Naval Sea Systems Command Headquarters building, where the shooting was reported. (AP Photo/Jacquelyn Martin)
Police work the scene on M Street, SE in Washington, where a gunman was reported at the Washington Navy Yard in Washington, on Monday, Sept. 16, 2013. The U.S. Navy says one person is injured after a shooting at a Navy building in Washington. (AP PhotoJacquelyn Martin)
Police work the scene on M Street, SE in Washington, where a gunman was reported at the Washington Navy Yard in Washington, on Monday, Sept. 16, 2013. The U.S. Navy says one person is injured after a shooting at a Navy building in Washington. (AP Photo/Jacquelyn Martin)
Can't-Miss Summer Events

Can't-Miss Summer Events

Looking for something fun to do for the rest of summer? Look no further.
'Smokey Joe's Cafe'

'Smokey Joe's Cafe'

Scenes from "Smokey Joe's Cafe" provided by Arena Stage.
Celebrity Stalkers

Celebrity Stalkers

A look at famous faces who have been stalked by crazy fans.
In Season at the Market

In Season at the Market

What you can expect to find at the farmers market, plus recipes and ideas.
Click on the image above to see it at its original size.

24 / 160

Photo Galleries

< >