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Police and medics outside the scene of a multiple shooting at Clackamas Town Center Mall in Clackamas, Ore., Tuesday Dec. 11, 2012. A gunman is dead after opening fire in the Portland, Ore., area shopping mall Tuesday, killing two people and wounding another, sheriff's deputies said. (AP Photo/Greg Wahl-Stephens)

Oregon mall shooting

The gunman who killed two people and himself in a shooting rampage at an Oregon mall was 22 years old and used a stolen rifle from someone he knew, authorities said Dec. 12. Jacob Tyler Roberts had armed

himself with an AR-15 semiautomatic rifle and had several fully loaded

magazines when he arrived at a Portland mall on Dec. 11, said Clackamas

County Sheriff Craig Roberts.