F: "...As far as treatment of the VC, the only folks I know of that admitted to atrocities..."
The issue wasn't atrocities committed against the Viet Cong. It was atrocities committed against innocent civilians. Does someone need to 'confess' for you to accuse them?
At the risk of being over-educated, you might want to read this:
http://observer.guardian.co.uk/international/story/0,6903,1071214,00.html