The two-year jail sentence of a rights worker for Licadho will not deter the groups work, a senior Licadho monitor said Thursday.
The US has expelled more than 200 Cambodians under the law since 2001.
JCE considers members of an organized groups and makes them individually responsible for crimes committed or planned by the group.
Besides bringing senior leaders to trial, the tribunal was also meant to bring a measure of reconciliation to the country.
Son Chhay will join representatives from 14 countries, including members of parliament from the EU, Africa and others.
The tribunal has so far tried one suspect, Duch, and it is preparing for the potential joint trial of four more senior leaders.
The administrative announcement comes a day after all four were indicted by prosecutors, who sent in their final submissions on Monday.
An estimated 2 million people, or a quarter of the population, perished under the regime.
Former Khmer Rouge cadres contacted by VOA Khmer claimed the recent Duch's verdict had not caused concern in former Khmer Rouge areas.
Many victims were disappointed with the UN-backed Khmer Rouge tribunal's sentencing of prison chief Duch last week.
International donors have praised the conclusion of the Khmer Rouge tribunal in the case against prison chief Duch.
Duch, whose real name is Kaing Kek Iev, faces the prospect of release at the age of 86.
Thailand has re-raised objections to the World Heritage status of Preah Vihear temple on the northern border.
Victims of the Khmer Rouge say they should be granted more compensation than was handed over by the Khmer Rouge tribunal on Monday.
Earlier this month, the newspaper ran a story to mark the July 5 anniversary of the 1997 coup.
The royal family currently has just one ambassador; Norodom Arunrasmy, the former king’s daughter, is ambassador to Malaysia.
A leading organization met with US policymakers last week to discuss more effective use of aid money for rights and democracy.
The courts have come under increasing scrutiny in recent years as they’ve shouldered criticism for political bias and corruption.
Since 2008, readership has fallen by as much as a half at some opposition-aligned papers.
The former king visited Hanoi for 4 days, with his wife and the current king, his son, Norodom Sihamoni.
ព័ត៌មានផ្សេងទៀត