M-13 prison site

Cambodian Lim Phet, left, and Mark Oeun show the venue where the Khmer Rouge set up M13 prison in early 1970s in the jungle at Trapang Chrap, Kampong Chhnang province, a bout 80 kilometers (49 miles) north of Phnom Penh, Cambodia, Tuesday, April 21, 2009. The prison's former commander Kaing Guek Eav, better known as Duch, 66, accused of overseeing the torture and execution of thousands of men, women and children said Tuesday that his underlings were taught class hatred that allowed them to kill their enemies. (AP Photo/Heng Sinith)
Cambodian Lim Phet reacts when he saw the venue where the Khmer Rouge set up M13 prison in early 1970s in the jungle at Trapang Chrap, Kampong Chhnang province, a bout 80 kilometers (49 miles) north of Phnom Penh, Cambodia, Tuesday, April 21, 2009. The prison's former commander Kaing Guek Eav, better known as Duch, 66, accused of overseeing the torture and execution of thousands of men, women and children said Tuesday that his underlings were taught class hatred that allowed them to kill their enemies. (AP Photo/Heng Sinith)
Cambodian Lim Phet shows the venue where the Khmer Rouge set up M13 prison in early 1970s in the jungle at Trapang Chrap, Kampong Chhnang province, a bout 80 kilometers (49 miles) north of Phnom Penh, Cambodia, Tuesday, April 21, 2009. The prison's former commander Kaing Guek Eav, better known as Duch, 66, accused of overseeing the torture and execution of thousands of men, women and children said Tuesday that his underlings were taught class hatred that allowed them to kill their enemies. (AP Photo/Heng Sinith)

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