Article Photos: Brakes become key issue in deadly Calif. bus crash 4/13

EDITORS NOTE GRAPHIC CONTENT - Firefighters and a California Highway Patrol officer survey the scene of an accident where at least eight people were killed and 38 people were injured after a tour bus, left, carrying a group from Tijuana, Mexico crashed with two other vehicles just north of Yucaipa, Calif., Sunday, Feb. 3, 2013. The arm of a deceased victim is seen at top center. (AP Photo/Reed Saxon)