‘Lone Survivor’ Marcus Luttrell on PTSD defense (Interview w/ Anderson Cooper)

Marcus Luttrell is the subject of the book ‘Lone Survivor’ and a friend of Chris Kyle. He speaks about the defense strategy in the ‘American Sniper’ murder trial.   Reposted from: http://www.cnn.com/videos/tv/2015/02/12/ac-marcus-luttrell-on-chris-kyle.cnn