Bradley Cooper Portrays Real Life 'American Sniper' Chris Kyle“American Sniper” director Clint Eastwood and star Bradley Cooper set out to tell the story of Chris Kyle, the most lethal sniper in U.S. history.Get more newsLiveonPrintJan. 13, 2015, 11:54 PM UTC / Updated Jan. 13, 2015, 10:58 PM UTC