Ta Mok
Ta Mok (; born Chhit Choeun , 1924 – 21 July 2006) also known as Nguon Kang, was a Cambodian military chief and soldier who was a senior figure in the Khmer Rouge and the leader of the national army of Democratic Kampuchea. He was best known as "Brother Number Four" or "the Butcher". He was captured along the Thailand-Cambodia border in March 1999 by Cambodian government forces while on the run with a small band of followers and was held in government custody until his death in 2006 while awaiting his war crime trial.