Neighbors Say Alleged Walmart Shooter Was Often Angry, Rude

THORNTON, Colo. (AP) — Police have released very little information about a man who abruptly left his job hours before allegedly shooting three people to death inside a suburban Denver Walmart, but neighbors described him as loner who often seemed angry.
Scott Ostrem, 47, was arrested following a brief chase Thursday, a day after the shooting in the large blue-collar Denver suburb of Thornton. Killed were Pamela Marques, 52, of Denver; Carlos Moreno, 66, of Thornton; and Victor Vasquez, 26