Hospital records show Routh had been in a mental hospital multiple times.
Jimmy Dykes was pronounced dead on the scene. (Alabama Department of Public Safety)
The FBI ended an almost week long stand off to recover the 5-year-old boy.
Suspect Eddie Ray Routh shown in a mug shot Sunday. (Erath County Sheriff's Department)
The 25-year-old Iraq War veteran faces two counts of capital murder, reportedly suffers from PTSD.
The 5-year-old is reportedly doing well after more than two days in an underground bunker.
A batallion commander was killed by a fellow soldier.
Monica Valencia, U.S. Air Force Veteran
U.S. troops face challenges when trying to reintegrate into civilian life.