World Duch, Prison Chief Who Slaughtered for the Khmer Rouge, Dies at 77 September 1, 2020September 2, 2020SETH MYDANSComments Off on Duch, Prison Chief Who Slaughtered for the Khmer Rouge, Dies at 77 Under his watch at Tuol Sleng prison, Duch, whose real name was Kaing Guek Eav, said, “I considered it evil eating evil.”