Judy,
His CMSR is below. You can order copies of the original records from this site.
Terry

Liles, William S. - Sgt. - Co. C - 11th Battalion La. Infantry - Enlisted: 5/7/1862 at Natchitoches, LA. Present on all rolls to 4/1863. Also on rolls of the Consolidated Crescent Regiment as a Pvt: Roll for 1/1864 and 2/1864: Absent on Provost Guard at Alexandria, LA since 2/13/1864. On Return dated Camp Buckner, LA 12/31/1864: Killed in Action at Mansfield, LA on 4/8/1864.