Lt. Setze was present through September and listed as missing in action in October. He was captured October 27, 1864 at Petersburg, Va. He was sent to Old Capitol Prison at Washington, D.C. Lt. Setze was transferred to Ft. Delaware December 16th.
1st Lt. Alphonse Setze was released from Ft. Delaware June 12, 1865. He was described as: residence, Richmond, Ga.; complexion, dark; hair, dark; eyes dark; height, 5 feet 10 inches.