Most senior surviving Khmer Rouge leader has been declared fit for trial . Nuon Son was the right - hand man to late Cambodian leader Pol Son . He was Pol Pot 's brother-in-law and escaped judgment for war crimes . Khmer Rouge regime under Pol was blamed for the deaths of 2 million people .
Most senior surviving Khmer Rouge leader has been declared fit for trial . Nuon Son was the right - hand man to late Cambodian leader Pol Son . Khmer Rouge regime under Pol was blamed for the deaths of 2 million people .