Christopher Scott "Chris" Kyle (April 8, 1974 - February 2, 2013) was a United States Navy SEAL and the most lethal sniper in U.S. military history with over 160 confirmed kills. Kyle served four tours in the Iraq War and was awarded several commendations for acts of heroism and meritorious service in combat. He received two Silver Star Medals, five Bronze Star Medals, one Navy and Marine Corps Commendation Medal, two Navy and Marine Corps Achievement Medals and numerous other unit and personal awards. Kyle was honorably discharged from the U.S. Navy in 2009 and wrote a bestselling autobiography, American Sniper, which was published in January 2012. A film adaptation of Kyle's autobiography, directed by Clint Eastwood, was released in December 2014. On February 2, 2013, Kyle was shot and killed at a shooting range near Chalk Mountain, Texas, with his friend, Chad Littlefield. The man accused of killing them, Eddie Ray Routh, was found guilty of both murders and later sentenced to life in prison without parole.