The man who shot eight people to death at a Dallas-area shopping mall over the weekend harboured neo-Nazi sympathies but appeared to have targeted his victims at random, without regard for race, age or sex, Texas law enforcement officials said on Tuesday. Authorities also disclosed new details about the gunman’s background. They said he was discharged from U.S. Army basic training 15 years ago, had once worked as a private security guard and suffered from an unspecified mental illness. The suspect, previously identified as Mauricio Garcia, 33, opened fire with an AR-15-style rifle on Saturday at the crowded Allen Premium...