The newly arrived Army Judge Advocate officer in Viet-Nam read through the two war crimes files assigned to him to prosecute as capital offenses before US military tribunals. The offenses had taken place in South Viet-Namese territory during the time of US military assistance to defend against the armed aggression from North Viet-Nam.'The first file concerned the murder of a village chief, his wife and three children, and two teachers by two members...