The year after he published his autobiography American Sniper and the year before the film adaptation hit theaters, United States Navy Seal veteran Christopher Kyle was gunned down along with his friend Chad Littlefield. So what happened to Chris Kyle's killer? Justice caught up with Eddie Ray Routh just more than two years later… Routh was arraigned on Feb. 2, 2013, the same day he shot and killed Kyle and Littlefield at a shooting range in Erath County, TX. On Feb. 24, 2015, Routh was found guilty of murder and sentenced to life in prison without parole. And in April 2017, a court of appeals upheld the conviction — which is the latest update we've heard about the case. Kyle and Littlefield were reportedly helping Routh, a former Marine, with his post-traumatic stress disorder. Routh had also been diagnosed with schizophrenia and psychosis. After being charged with double murder, Routh pleaded not guilty by reason of insanity,...