His name is Kaing Guek Eav, a former maths teacher, but in Cambodia he is known everywhere simply by his revolutionary nom-de-guerre, Duch.

• 这名被告过去担任过数学教师。他的名字叫康克由，但是在柬埔寨，人们只知道他革命时期所使用的假名"杜赫"。