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 kills officially confirmed by the Department of Defense .
Christopher Scott `` Chris '' Kyle ( April 8 , 1974 -- February 2 , 2013 ) was a United States Navy SEAL . Kyle was the most lethal sniper in U.S. military history .