American Sniper  is loosely based on the memoir by Scott McEwen and Jim DeFelice and what United States Navy SEAL veteran and sniper born in 1974
American Sniper:  It is loosely based on the memoir "American Sniper: The Autobiography of the Most Lethal Sniper in U.S. Military History" (2012) by Chris Kyle, with Scott McEwen and Jim DeFelice. Chris Kyle: Christopher Scott "Chris" Kyle (April 8, 1974 – February 2, 2013) was a United States Navy SEAL veteran and sniper.
Chris Kyle