The massacre, as reported by a [[South Vietnam]]ese army lieutenant to his superiors, was an "atrocious" incident of revenge. US forces deliberately murdered approximately 400 civilians, shortly after a firefight with [[Viet Cong]] troops who had mingled with the villagers on March 16, 1968. Many troops present that day protested and did not take part in the event.<ref>Dunnigan & Nofi, ''Dirty Little Secrets of the Vietnam War'' (1999)</ref> | The massacre, as reported by a [[South Vietnam]]ese army lieutenant to his superiors, was an "atrocious" incident of revenge. US forces deliberately murdered approximately 400 civilians, shortly after a firefight with [[Viet Cong]] troops who had mingled with the villagers on March 16, 1968. Many troops present that day protested and did not take part in the event.<ref>Dunnigan & Nofi, ''Dirty Little Secrets of the Vietnam War'' (1999)</ref> |