In the northern district of Anlong Veng, the final stronghold of the Khmer Rouge, a newly designed roof now shelters the modest tomb of Pol Pot, one of history’s most infamous figures.

The U.N.-backed tribunal was formed decades after the end of their reign, and several years after the death of feared Khmer Rouge leader Pol Pot, in 1998. Only three of the defendants below have ...

The genocidal regime, led by the infamous Communist and ethnonationalist Pol Pot, ruled the nation from 1975 to 1979 - and the damage that it inflicted continues to shape Cambodia to this day.