Khieu Samphan is a Cambodian former politician, economist, and revolutionary who was Chairman of the State Presidium of Democratic Kampuchea from 1976 until 1979. As such, he served as Cambodia's head
Samphan in 2014
Samphan at a public hearing before the pre-trial Khmer Rouge Tribunal on 28 June 2011
Son Sen, alias Comrade Khieu or "Brother Number 89", was a Cambodian Communist politician and soldier. A member of the Central Committee of the Communist Party of Kampuchea/Party of Democratic Kampuch
Skulls of victims of Son Sen's Khmer Rouge security apparatus. Choeung Ek.