Records show that he was present at all roll calls until June when he was listed as "in the hands of the enemy". He was captured June 11, 1864 and sent to Fortress Monroe June 20th. Then was transferred to Elmira Prison, N.Y. on July 25, 1864.
1st Sgt. Jasper L. Brinson didn't survive the horrible conditions at Elmira. He died December 11, 1864 of pneumonia and was buried in Grave # 1191.