A recent college graduate was crossing the border from Tijuana to San Diego with a friend on vacation for Memorial Day weekend in 2010 when she heard a man screaming for help in Spanish.
Ashley Young soon found herself deleting photos of her evening in Tijuana from her digital camera so that she could make room to film the scene unfolding below her — a mix of Border Patrol agents, Customs and Border Protection officers and Immigration and Customs Enforcement officials surrounding and beating a man who was face down on the ground.