New details emerge about school shooting, suspected gunman

Disturbing new details are emerging about a deadly shooting at a Washington high school near Spokane that left one student dead and three others injured. Witnesses say the suspected gunman is sophomore Caleb Sharpe. He is in custody but has not been charged.Videos posted to YouTube appear to show Sharpe shooting toy guns. In one video, Sharpe pretends to shoot a friend before going inside to play a video game, reports CBS News' Mireya Villarreal. The Spokane sheriff says the shooter was stopped