Article: PTSD -- after war, the fight within

In Vietnam, "Roy" killed too many people to remember a final tally.

Some of the kills came during hand-to-hand combat, of which Roy, 63, has exceedingly vivid memories.

The horrors of combat were a long way from the pastoral life Roy knew on a cattle ranch in Idaho as a child or the safety of college classrooms as a young man.

The war would change him in ways he couldn't have imagined.

Roy, who requested that his real name not be used, was a Marine corporal in Vietnam. He earned two Purple Heart awards after his time on the front lines. He killed to live another day.

"I never felt guilty about what I did over there," Roy said recently in an interview.

But by the time he received an honorable ...

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