Who were the Khmer Rouge? Cambodia's bloody history

A man looks at a portrait of former head of the Tuol Sleng prison Kaing Guek Eav, also known as Duch, at the Tuol Sleng genocide museum in Phnom Penh on Sept 2, 2020. Kaing Guek Eav, 77, better known by his alias Duch, the chief torturer behind Cambodia’s genocidal Khmer Rouge, died on Sept 2 while serving a life sentence for crimes against humanity, leaving just one surviving leader of the regime that killed an estimated two million people in the 1970s. - AFP

PhHNOM PENH, Sept 5 (AFP): The Khmer Rouge's interrogator-in-chief Kaing Guek Eav, better known by his alias Duch, died last Wednesday in Cambodia's capital at the age of 77.

The former teacher ran a notorious prison for the regime, overseeing the deaths of some 15,000 people -- a fraction of the estimated two million who died.