Fort Hood shooter Ivan Lopez served in the Iraq War, but his records show he was not directly involved in combat. Lopez was being treated for depression and anxiety. He was in the process of being evaluated for post-traumatic stress disorder. John Berman discussed this with Chief Medical Correspondent Dr. Sanjay Gupta and military analyst Major General James 'Spider' Marks.
Anderson Cooper goes beyond the headlines to tell stories from many points of view, so you can make up your own mind about the news. Tune in weeknights at 8 and 10 ET on CNN.
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