Navy Yard Shooting

Aaron Alexis, the 34-year-old man believed responsible for Monday's shooting rampage that killed 12 people at the Washington Navy Yard , was a former full-time Navy reservist who had obtained a concealed-carry permit in Texas and was arrested three years ago for illegally discharging a weapon. Alexis, who was also killed on Monday, was an aviation electrician's mate third class in the U.S. Navy Reserve until January 2011, when he received a general discharge amid unspecified "misconduct...