The county coroner’s office has identified the Yucca Valley man who was killed Sunday when a truck fell on him. David Prudeaux, 60, was working on a Ford pick-up truck in the 57800 block of Joshua Lane just before 3 p.m. The truck he was working on slipped off its supports and pinned him underneath. Despite efforts by rescue personnel who performed CPR, Prudeaux died at Hi-Desert Medical Center.