PITTSBURGH — (WPXI) – Pittsburgh police are asking for the public’s help to find a missing man. David Henchell, 57, was last seen in the Carrick area on Sept. 1. He’s described as having brown eyes and brown hair. He’s 5 feet, 9 inches tall, and weighs 160 pounds. Police said Henchell drives a white Chevy Impala with Pennsylvania license plate LRR-4109. He’s possibly headed to Butler County. Anyone with information is asked to call SVU at (412) 323-7141.