Aaron Alexis

The FBI revealed preliminary details of the Washington Navy Yard Shooting and that included the details that gunman, 34-year-old Aaron Alexis, used a customized Remington 870 shotgun as he searched for potential victims in Building 197 last week...

The FBI is looking for information about about the man, they believe, was responsible for a mass shooting at the Washington Navy Yard in the District of Columbia on Monday morning. Authorities say Aaron Alexis was killed during a shootout on Monday that resulted in the death of at least 12 innocent victims...