In this photo from the Cambodian Documentation Center shows Kaing Khek Iev, left, also know as Duch, and his aid Sok in Phnom Penh in 1976. Duch, who ordered the torture and killing of at least 14,000 men, women and children, in the late 1970's has been take to the Cambodian genocide tribunal headquarters Tuesday, July 31, 2007, to be questioned by judges. On July 18, 2007, prosecutors submitted to the investigating judges the cases of five former Khmer Rouge leaders recommended to stand trial. The names of the five suspects have not been revealed. (AP Photo/Documentation Center, File)