Support WBURShooting Of 'American Sniper' Raises Questions About PTSD TreatmentPlay04:26Download AudioQuil LawrenceFebruary 06, 2013 ShareChris Kyle, a retired Navy SEAL and best-selling author of American Sniper: The Autobiography of the Most Lethal Sniper in U.S. Military History, was killed at a gun range near Glen Rose, Texas, on Feb. 2. (MCT/Landov)
