Chhouk Bandith was found guilty of injuring three women when he fired into a crowd of garment workers at a protest in Svay Rieng in February 2012.
Michael Vannak Khem Misiewicz is facing federal charges in a San Diego court, making him the second Cambodian-born serviceman to face courts over military misconduct in recent years.
No decisions were made in the first round of talks, but more discussions are scheduled for later this week.
Some panelists suggested cutting aid to Cambodia to pressure the government to change.
Victor Coppe, international defense lawyer, said the court should view decisions made by Nuon Chea in the “larger context” of the time.
The opposition Cambodian National Rescue Party wants to negotiate for election reforms, following irregularities opposition leaders say cost them the election in July.
The Freedom House report comes at a time when experts and rights workers in Cambodia say civil society as a whole is also under duress from government officials.
The Asian Development Bank provides millions of dollars to Cambodia in aid and loans, for a railroad project, poverty reduction and other programs.
Opposition leaders say they also plan to call on 18 international signatories of the Paris Peace Accords to help implement it, including the fostering of a functioning democracy.
The US could also take a leadership role in not recognizing the July elections as free or fair, and convince donors like the EU and Japan to decrease aid as well, Sifton said.
Hun Sen said in a six-hour address on on Wednesday that he opposed “foreign interference” in Cambodia’s political affairs.
Both men were serving 20-year prison sentences for the killing of labor leader Chea Vichea, but their conviction was widely criticized for a lack of evidence.
The rally was addressed by three Republican congressmen who called on a change in Cambodia’s governance.
Analysts say the opposition must now decide between a political solution or public demands for justice over the election.
King Norodom Sihamoni on Monday called for the two political parties embroiled in Cambodia’s post-election deadlock to open a legislative meeting on the Sept. 28 deadline.
The demonstration is meant to be a show of support for the Rescue Party, which says that widespread irregularities cost it the election in July.
Cambodian staff have not been paid on their half of the court since May, prompting a walkout of staff this week.
Cambodian staff at the U.N.-backed Khmer Rouge war crimes tribunal are threatening to go on strike over unpaid wages.
In a policy report issued earlier this month, Freedom House said the international affairs budget can curb repression and “provide a lifeline” to people facing imprisonment, torture or death for speaking out for freedom.
NEC officials say it is too late to resolve reports of irregularities, since it has now released preliminary results—which show a win for the CPP.
ព័ត៌មានផ្សេងទៀត