Opposition officials say they were prevented from meeting in the former Khmer Rouge stronghold of Anlong Veng by a group of soldiers clad as civilians.
Ieng Thirith was one of four original Khmer Rouge leaders arrested and expected to face trial for atrocity crimes at the UN-backed tribunal.
Officials at the Victims Support Section said in a statement Wednesday that they want to hear from lawyers and victims, as well as donors, as they discuss the upcoming trial phase.
The survey, conducted by the Cambodian Defenders Project, found that some 60 percent of 105 surveyed respondents experienced some form of sexual violence under the Khmer Rouge.
Both men are accused of atrocity crimes, including genocide, for their leadership roles in the regime.
“Brothers in Arms,” by author Andrew Mertha, shows how China’s foreign policy goals shaped the Khmer Rouge in ways favorable to Beijing.
Khieu Samphan, 82, who is on trial alongside a second Khmer Rouge leader, Nuon Chea, was sent to the hospital five days ago for treatment of gripe, court officials said.
A trial of Case 004, which is still under investigation at the court, would require three indictments of former Khmer Rouge commanders, and critics say it may never see full trial.
The court’s Victims Support Section and civil party attorneys are seeking redress for survivors of the regime, particularly in the case against former leaders Nuon Chea and Khieu Samphan.
On this day in 1975, the Khmer Rouge overran the capital and began a mass exodus of the cities, pushing people into labor camps and work collectives.
The scope will include Tuol Sleng prison, known to the Khmer Rouge as S-21, the 1 January Dam Worksite, and the Trak Kok cooperative.
The contribution is only a small part of the $60.5 million needed by the court to continue operating.