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Oregon Mall

Emergency vehicles gather outside the Clackamas Town Center mall after a shooting on December 11, 2012 in Clackamas, Oregon. According to reports, two victims and the gunman are dead after emergency dispatchers received reports that a shooting had occurred and a man was seen with an assault rifle near the mall's food court around 3:29 p.m. (Photo by Craig Mitchelldyer/Getty Images)

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.