The UN-backed war crimes tribunal is scheduled to hand down its first ever highly anticipated verdict in its Khmer Rouge trial in Cambodia.
Kaing Guek Eav, who is better known as Duch, has been charged with murder and torture.
As prison chief for Khmer Rouge leader Pol Pot, Duch is accused of overseeing the deaths of around 14,000 people.
Al Jazeera's Harry Fawcett reports from Phnom Penh, the capital of Cambodia.
July 25, 2010