Chhouk Bandith is accused of firing into a group of some 1,000 protesters who had gathered to demand higher wages.
The Human Rights Party holds only three seats in parliament, but Kem Sokha said the local elections would be a chance to expand further.
The policy decision comes just a week after Hun Sen verbally ordered the closure of 35 fishing lots on the Tonle Sap lake.
In a phone interview, Ellis told VOA Khmer the court’s credibility is failing and that more international support is needed.
A deployment of Indonesian troops will follow a meeting of the joint working group of the Cambodian-Thai Joint Border Committee.
Chhoung Chu Ngy is accused of helping a deputy commune chief for the Sam Rainsy Party, leave detention at the Kandal court last year.
Results from a recent survey of 377 university students found a majority did not know about the management and usage of those funds.
An investigation team read the notification order to Im Chaem at her home in Uddor Meanchey province on February 28.
Cases 003 and 004 involve five mid-level Khmer Rouge leaders who are currently living freely in the country.
The tribunal has received heavy criticism over political interference related to cases 003 and 004.
Witnesses said the suspect stepped out of his car, pulled out a hand gun and opened fire on a crowd of over 1,000 protesters.
Cambodia and Thailand had deadly armed clashes in the past due to ownership claims over a piece of land near Preah Vihear temple.
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