He told his sister he 'd killed two men , ` ` traded his soul for a truck , '' an arrest warrant says . The ex - Marine faces federal charges in deaths of veteran Chris Kyle and Kyle 's friend , Chad Littlefield . Kyle 's family called 911 in Atlanta ; he was mad because his father planned to sell his gun . The 25-year - old told police he had PTSD , was hurting and his family did n't understand .
Routh told his sister he 'd killed two men , `` traded his soul for a truck , '' an arrest warrant says . The ex-Marine faces murder charges in deaths of veteran Chris Kyle and Kyle 's friend , Chad Littlefield . Routh 's family called cops in 2012 ; he was mad because his father planned to sell his gun . The 25-year-old told police he had PTSD , was hurting and his family did n't understand .