articleThe Brief Detectives are investigating a deadly Snellville parking lot shooting off Stone Mountain Highway on Sunday morning. Police caught a man running from the scene and found another man shot to death in the parking lot. Gwinnett County police detectives are investigating a fatal shooting that occurred early Sunday in a parking lot along Stone Mountain Highway in Snellville. When officers arrived, they spotted a man running from the parking lot and took him into custody without any trouble. Detectives gathered evidence at the scene and interviewed several witnesses in the parking lot.