Civil parties pray at Tuol Sleng

Bou Meng, right, survivors of the S-21 prison in the Khmer Rouge regime, carries a wreath during a Buddhist ceremony at Tuol Sleng genocide museum, formerly the regime's notorious S-21 prison in Phnom Penh, Cambodia, Sunday, July 25, 2010. A U.N.-backed war crimes tribunal is expected to issue a decision Monday, July 26, 2010, in Kaing Guek Eav's trial, the first verdict involving a leader of the genocidal regime that created Cambodia's killing fields. (AP Photo/Heng Sinith)
Hav Sophea, right, whose father was killed by the Khmer Rouge just after she was born, burns incense sticks during a Buddhist ceremony at Tuol Sleng genocide museum, formerly the regime's notorious S-21 prison in Phnom Penh, Cambodia, Sunday, July 25, 2010. A U.N.-backed war crimes tribunal is expected to issue a decision Monday, July 26, 2010, in Kaing Guek Eav's trial, the first verdict involving a leader of the genocidal regime that created Cambodia's killing fields. (AP Photo/Heng Sinith)
A Cambodian woman holds a portrait of her brother, who was a prisoner at S-21 during Khmer Rouge regime, during a Buddhist ceremony at Tuol Sleng genocide museum, formerly the regime's notorious S-21 prison in Phnom Penh, Cambodia, Sunday, July 25, 2010. A U.N.-backed war crimes tribunal is expected to issue a decision Monday, July 26, 2010, in Kaing Guek Eav's trial, the first verdict involving a leader of the genocidal regime that created Cambodia's killing fields.(AP Photo/Heng Sinith)
Norng Chan Phal (L), a child survivor of the Khmer Rouge, prays as his daughter looks on during a Buddhist ceremony to commemorate the victims of the Khmer Rouge at Toul Sleng museum in Phnom Penh July 25, 2010. Survivors of the Khmer Rouge's notorious Tuol Sleng prison attended the ceremony ahead of Monday's court verdict on former prison chief Kaing Guek Eav, better known as Duch, who is accused of crimes against humanity, war crimes, murder and torture. REUTERS/Chor Sokunthea
Martine Lefeuvre (2nd L), wife of former Cambodian diplomat to Senegal Ouk Ket, her daughter Ouk Neary (3rd L), and former Olympics rower Rob Hamill (2nd R) of New Zealand offer food to monks during a Buddhist ceremony to commemorate the victims of the Khmer Rouge at Toul Sleng museum in Phnom Penh July 25, 2010. Survivors of the Khmer Rouge's notorious Tuol Sleng prison attended the ceremony ahead of Monday's court verdict on former prison chief Kaing Guek Eav, better known as Duch, who is accused of crimes against humanity, war crimes, murder and torture. Hamill's brother Kerry was taken to the S-21 prison where he was tortured and executed, according to New Zealand's local media. REUTERS/Chor Sokunthea
A Cambodian woman wipes her eye as she cries at the Tuol Sleng genocide museum in Phnom Penh. Cambodia's UN-backed war crimes court on Monday gives its verdict on the Khmer Rouge prison chief, in a step towards justice for the "Killing Fields" atrocities more than three decades ago. (AFP/Tang Chhin Sothy)