A U.S. soldier is accused of killing five of his fellow troops at Camp Liberty near Baghdad. The soldier, identified by the military as Army Sgt. John M. Russell, is now charged with five counts of murder and one count of aggravated assault.
That disturbing and tragic event has a lot of us thinking about the stress troops face, and the issue of post-traumatic stress disorder.
While we don't know exactly what may have triggered the attack at Camp Liberty on Monday - and we don't know if Sgt. Russell was suffering from the disorder - we do know that PTSD is real, and many troops have it.
What triggers PTSD? And how do we support our troops coping with the scars of war?
Heidi Collins talked with our chief medical correspondent Sanjay Gupta, and Iraq war veteran Patrick Campbell.
Here's that interview:
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