Park ranger fatally shot at Mt. Rainier

5 of 24: In this pool photo provided by the Pierce Co. Sheriff's Dept., Pierce County Sheriff Paul Pastor, wearing cap at center, works with other law enforcement officials at a command center at Mount Rainier National Park in Washington state, Sunday, Jan. 1, 2012. Officials were searching into the evening for an at-large gunman who is a person of interest in the fatal shooting of a park ranger earlier in the day. (AP Photo/Pierce Co. Sheriff's Dept., Ed Troyer) (AP Photo/ Ed Troyer)

REPLAY SLIDESHOW