Soum Rithy (center left), who lost family members during the Khmer Rouge regime, and Chum Mey, a survivor of the notorious Tuol Sleng prison, embrace after the verdicts were announced Thursday in Phnom Penh, Cambodia. Heng Sinith/AP hide caption

itoggle caption Heng Sinith/AP

A tourist views photos of former Khmer Rouge prisoners at the Tuol Sleng genocide museum, formerly the regime's notorious S-21 prison, in Phnom Penh, Cambodia, in a photo from 2009. Heng Sinith/AP hide caption

itoggle caption Heng Sinith/AP