Amos Barkley was a Mesan citizen and a non-commissioned officer of the Office of Public Safety. He held the rank of Sergeant in 1922 PD. Following the nuclear "terrorist attacks" on several population centers inhabited by full Citizens, he and his men attacked and brutally killed groups of seccies in the streets of Mendel near Sukharov Tower, including women and children. Eventually, they were gunned down by Shasta McGuire with a military-grade tribarrel. (CS3)