'We had a single mission and we were focused on that'
Clackamas Town Center Shooting
Shoppers wait to be evacuated outside the scene of a multiple shooting at Clackamas Town Center Mall in Portland, 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)