"James Holmes purchased a Smith and Wesson .223 semi-automatic rifle at Gander Mountain gun store in Thornton, Colo., according to the law enforcement source. He also bought a .40 caliber Glock pistol at Gander Mountain gun store in Aurora, Colo. Another .40 caliber Glock handgun and a Remington 870 shotgun were purchased at Bass Pro Shops in Denver, Colo."