CNN Anderson Cooper 360 March 20, 2015 03:40:00
>> he was very, very aware of what he was doing when defending people's lives, even if it was for the greater good. >> reporter: and it stayed with him? >> absolutely it did. >> reporter: medical records obtained by cnn stated years after miles' return from iraq in 2004, he quote, began to experience depression with suicidal attempts. he recalled seeing dead bodies and often had graphic violent dreams. friends and family saw miles struggle with his ptsd but say he was doing generally okay. until january when he disappeared. v.a. records show friends called the iowa v.a. to look for miles and t...