Norodom Sihanouk (R), President of Royal Government of National Union of Cambodia poses with Khieu Samphan (L), top Khmer Rouge leader, at a location in Cambodia in 1973. Sihanouk aligned himself with... more 

Norodom Sihanouk (R), President of Royal Government of National Union of Cambodia poses with Khieu Samphan (L), top Khmer Rouge leader, at a location in Cambodia in 1973. Sihanouk aligned himself with communist guerrillas who later emerged as the Khmer Rouge and used him as a figurehead before putting him under house arrest in the royal palace with his family during their 1975-79 reign of terror less