Question: 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
Sentence (from "American Sniper"): The film follows the life of Kyle, who became the deadliest marksman in U.S. military history with 255 kills from four tours in the Iraq War, 160 of which were officially confirmed by the Department of Defense.
Relevant evidence: No