Officer.com News The Officer Down Memorial Page has reported the death of Sumner County, Tenn. Deputy Brian Denning. Denning, 36, was killed in an automobile accident on Dec. 8 while returning from a call. His cruiser left the road, struck a tree and burst into flames. ODMP reports that civilians who witnessed the crash attempted to free the deputy from the vehicle but were unable to do so because of the flames. Denning had served with Sumner County for 12 years and was assigned to the 18th Judicial District Drug Task Force.