Murder Trial Points to War Trauma

A Maryland murder trial is being turned into a debate on the lingering traumatic impact of the wars in Afghanistan and Iraq on the psyche of the Americans who served there. The prosecution is trying to prove that Gary Smith, a one-time Army Ranger, murdered his roommate of 20 days and fellow Ranger Michael McQueen, 22, by putting a .38-caliber revolver to his right temple and pulling the trigger.

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