The Khmer Rouge held power in Cambodia from 1975 to 1979 and aggressively pursued a policy of radical social reform that resulted in the deaths of hundreds of thousands of Cambodians through mass executions and physical privation. In January 1979, the government was overthrown by former Khmer Rouge functionaries, with substantial backing from the army of Vietnam. In August of that year a special court, the People's Revolutionary Tribunal, was constituted...