Khmer Rouge Cambodia: Khmer Rouge leaders found guilty of 1970s genocide In Depth Nuon Chea, 92, and Khieu Samphan, 87, get life sentences for role in killing of up to 30% of Cambodian population In Depth Khmer Rouge leaders jailed for crimes against humanity In Depth Pol Pot's henchmen found guilty in Cambodia, but call the allegations 'fairy tales' By The Week Staff Published 7 August 14 In Depth