The police burst through the door at approximately 3:45 p.m. and encountered Morrison and the hostages behind a barricade of desks at a far wall. After using the hostages as human shields against the Jefferson County SWAT team, Morrison shot at the policemen, and then at Emily Keyes, who was trying to run. Morrison shot and critically wounded himself soon thereafter, simultaneously being shot by police, and died at the scene at 3:57 p.m. Keyes was taken by helicopter to a hospital in Denver, where she was pronounced dead at 4:32 p.m. The other hostage survived with no physical injuries. Investigators found no sign of explosives in the man's backpack, but three additional firearms were recovered outside the school campus: a Colt AR-15 rifle found in a clearing adjacent to a river about a mile north of the school, a Browning A-Bolt .270 bolt-action rifle found north of the campus near U.S. Route 285, and a Smith & Wesson Model 29 .44 Magnum revolver found south of the school near a hiking trail.