34-year old Aaron Alexis of Fort Worth, Texas has been identified by multiple sources as one of possibly two gunman in the mass shooting that took place this morning at a Washington, D.C. Navy Yard.
Alexis has been confirmed dead by the F.B.I. Authorities are still searching for a second shooter believed to have been disguised in a military-style uniform, according to the Dallas Morning News. He is described as an African American man in his 50's.
The death toll now stands at 13, including Alexis. D.C. Mayor Vincent Gray just held a news conference. He said the motive for the killings is unknown, but he doesn't believe it was an act of terrorism.