In the early 1970s, the Khmer Rouge had become suspicious of communist Vietnam and began to persecute Cambodian ethnic groups who had ties to the country, including the Brao Amba in the northeast. Many fled north as political refugees, and some joined the Vietnamese effort to depose the Khmer Rouge a few years later. The subsequent ten-year occupation is remembered by many Cambodians as a time of further oppression, but this volume reveals an unexpected...