Aaron Alexis

(CNN) -- Aaron Alexis, the man who went on the deadly shooting rampage at the Washington Navy Yard, was under the "delusional belief...

Investigators have been focusing on the erratic behavior of a former Navy reservist who law enforcement officials say was grappling with paranoia and had reported hearing voices and being followed before he gunned down 12 people at the Washington Navy Yard this week. The ...

(CNN) -- The shooter at the Washington Navy Yard had a "pattern of misconduct" as a Navy reservist, had sporadic run-ins with...

(AP) — A former Navy man launched an attack Monday morning inside a building at the Washington Navy Yard, spraying gunfire on office workers in the cafeteria and in the hallway at the heavily secured installation, authorities said. Thirteen people were killed, including the gunman. Authorities said they were looking for a second possible ...