Clackamas County

Emergency vehicles gather outside the Clackamas Town Center mall after a shooting on Dec. 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)

Gunman Wearing Hockey Mask Kills 2, Self In Portland, Ore. Mall Shooting

A gunman killed two people before turning the gun on himself in a mall in Portland, Ore., Tuesday afternoon.