Bad Lieutenants is a riveting account of how the Khmer Rouge remained a force to be reckoned with even after the fall of Democratic Kampuchea--and of the men behind the movement's strange durability. In 1979, the Vietnamese army seized Phnom Penh, toppling Pol Pot's notoriously brutal regime. Yet the Khmer Rouge did not disintegrate. Instead, the movement continued to rule over swathes of Cambodia for almost another two...