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Atrocities in Iraq: 'I killed innocent people for our government'
For nearly 12 years, Staff Sgt. Jimmy Massey was a hard-core, some say gung-ho, Marine. For three years he trained fellow Marines in one of the most grueling indoctrination rituals in military life - Marine boot camp.

The Iraq war changed Massey. The brutality, the sheer carnage of the U.S. invasion, touched his conscience and transformed him forever. He was honorably discharged with full severance last Dec. 31 and is now back in his hometown, Waynsville, N.C.

When I talked with Massey last week, he expressed his remorse at the civilian loss of life in incidents in which he himself was involved....