Nuon Chea
During the rule of the Khmer Rouge, Nuon Chea, party's chief ideologist, acted as the right-hand man of leader, Pol Pot. Allegations against Nuon Chea included crimes against humanity (murder, extermination, enslavement, deportation imprisonment, torture, persecution on political, racial, and religious grounds), genocide, and serious breaches of the Geneva Conventions of 1949 (willful killing, torture or inhumane treatment, willfully causing great suffering or serious injury to body or health, willfully depriving a prisoner of war or civilian the rights of fair and regular trial, unlawful deportation or unlawful confinement of a civilian).