A police officer stands guard at the front gate of the Washington Naval Yard in Washington, D.C.
A police officer stands guard at the front gate of the Washington Naval Yard in Washington, D.C. MCT
A police officer stands guard at the front gate of the Washington Naval Yard in Washington, D.C. MCT

Navy Yard alleged gunman purchased shotgun legally in Virginia

September 17, 2013 2:46 PM