The land dispute in Kampong Speu underscores the difficulties arising throughout Cambodia.
All four defendants are approaching the three-year limit on provisional detention.
Their most recent works, which received wide acclaim, were “Agangamasor” and “His Magic Power.”
International donors for the Khmer Rouge tribunal are scheduled to meet in May to decide about funding.
Un Sokhom was the editor in chief of the Neak Prayuth newspaper until he fled to the US in 2004 in fear of his safety.
Organizers of the Cambodian Confederation of Unions had planned to show the film, which questions the motives behind the 2004 murder.
Cambodia has sought similar deals in Middle Eastern countries like Kuwait and Qatar, where food shortages are a concern.
The Ministry of Foreign Affairs issued an unexplained letter to embassies on Tuesday.
Ly Sukei’s father was a well-educated Cambodian Muslim who died at the hands of the Khmer Rouge in 1975.
Authorities in Takeo province killed more than 20,000 ducks in February, resulting in losses of thousands of dollars.
The tribunal’s office of the prosecution is now preparing for trials of at least four more leaders of the regime.
Thirty-six masterworks of Cambodia’s collection of some 7,000 bronzes will show at the Smithsonian’s Sackler Gallery.