WASHINGTON – An FBI official says that the man they believe responsible for killing a dozen people at the Washington Navy Yard used a valid pass to get in.
Former Navy reservist Aaron Alexis, 34, was killed in a running gun battle with officers at the facility, located about two miles from the U.S. Capitol.
Washington D.C.'s police chief Cathy Lanier says that police have exhausted all leads indicting a second shooter and are confident Alexis acted alone.
The victims have all been identified and the notification of their families is underway. Mayor Vincent Gray says the victims ranged in age from 46 to 73-years-old.