In this photo released by the Extraordinary Chambers in the Courts of Cambodia, Kaing Guek Eav, also known as Duch, who ran the notorious Toul Sleng detention center, looks on during his appeal at the... more 
In this photo released by the Extraordinary Chambers in the Courts of Cambodia, Kaing Guek Eav, also known as Duch, who ran the notorious Toul Sleng detention center, looks on during his appeal at the U.N.-backed war crimes tribunal in Phnom Penh, Cambodia, Monday, March 28, 2011. The man who admitted overseeing the killing of 16,000 people as the Khmer Rouge's chief prison warden returned to the courtroom to appeal his 19-year prison sentence on charges of war crimes and crimes against humanity. less 
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Associated Press | Photo By Extraordinary Chambers in the Courts of Cambodia, Mark Peters
Mon, Mar 28, 2011 9:07 PM EDT