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A paramedic talks on the phone outside Clackamas Town Center in Clackamas, Ore., where a shooting occurred Tuesday, Dec. 11, 2012. A gunman opened fire in the Portland, Ore., area shopping mall Tuesday, killing at least one person and wounding an unknown number of others, sheriff's deputies said. (AP Photo/The Oregonian, Bruce Ely) MAGS OUT; TV OUT; LOCAL TV OUT; LOCAL INTERNET OUT; THE MERCURY OUT; WILLAMETTE WEEK OUT; PAMPLIN MEDIA GROUP OUT

A paramedic talks on the phone outside Clackamas Town Center in Clackamas, Ore., where a shooting occurred Tuesday, Dec. 11, 2012. A gunman opened fire in the Portland, Ore., area shopping mall Tuesday, killing at least one person and wounding an unknown number of others, sheriff's deputies said. (AP Photo/The Oregonian, Bruce Ely) MAGS OUT; TV OUT; LOCAL TV OUT; LOCAL INTERNET OUT; THE MERCURY OUT; WILLAMETTE WEEK OUT; PAMPLIN MEDIA GROUP OUT

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.