San Diego, CA – Authorities on Wednesday circulated surveillance camera images of a youth sought for beating up a 52-year-old man at a La Mesa transit depot. The victim had just exited a trolley about 8 p.m. June 13 when the assailant jumped him, punching him until he fell to the ground and then kicking him in the head, according to police. A surveillance camera captured images of the aggressor, described as a black teenager with braided hair, wearing blue jeans, a white sweat shirt, red tennis shoes and a black baseball cap.