Los Angeles County Sheriff’s Department Sergeant Saves Man from Choking On Tuesday, December 6, 2022, Sergeant Duncan was assigned to the Los Angeles County Sheriff’s Department County Services Bureau and was patrolling an alley behind a Department of Public Social Services office in Los Angeles when he saw another Los Angeles County employee exit his van in distress. Sergeant Duncan saw the man's face was red and was giving him the international sign for "choking" by signaling with his hand tow