D.C. Navy Yard

In this handout frame grab from the Washington Navy Yard provided by the FBI on Sept. 25, 2013, Aaron Alexis moves through the hallways of Building #197 carrying the Remington 870 shotgun on Sept. 16, 2013 in Washington, D.C. (credit: FBI via Getty Images)

Navy to Rename DC Building Where Gunman Killed 12

Officials are renaming the Washington Navy Yard building where a gunman fatally shot 12 people in September before he was killed by police.


Police cars sit parked at the entrance to the Washington Navy Yard on Sept. 17, 2013 in Washington, D.C. (credit: Drew Angerer/Getty Images)

Chief: D.C. Cop ‘Took 2 Rounds’ to Chest in Navy Yard Rampage

The District of Columbia’s police chief says a police officer was shot in the chest but saved by his bulletproof vest while responding to the shootings at the Washington Navy Yard.


A US Navy sailor arrives at the front gate of the Washington Naval Yard September 17, 2013 in Washington, DC. Thirteen people were shot and killed by a lone gunman during a shooting rampage at the Navy Yard before police killed the gunman on September 16, 2013.     (Photo credit: JIM WATSON/AFP/Getty Images)

After Mass Shooting, A Look at Security Clearances

Details about the clearances granted to government employees, contractors and others.


Aaron Alexis (credit: Alex Wong/Getty Images)

Sources: Navy Yard Shooter Was ‘Hearing Voices,’ Had Mental Illness

At the time of the rampage, Aaron Alexis, 34, was an employee with a “The Experts,” a Hewlett-Packard owned company that was a Defense Department subcontractor on a Navy-Marine Corps computer project, authorities said.