Seng Theary had been a civil party complainant in both case 003 and 004.
Long Panhavuth, a monitor for the Cambodia Justice Initiative, suggested the UN side see itself as a “partner,” not as an “adviser.”
Another defense lawyer in Case 002, who requested anonymity, said the evidence does not form a link between the facts and the crimes.
Andrew Cayley, in an interview with VOA Khmer, addresses concerns in Case 003 and 004, following his lecture at Rutgers University.
Filmmaker Thet Sambath said his work has contributed a small part to the Khmer Rouge history.
Thet Sambath and co-producer Rob Lemkin answered questions from nearly 50 people in the audience after the film.
Prime Minister Hun Sen and other top officials have repeatedly said in public statements they do not want the cases going forward.
The court is preparing for its biggest trial to date, for four jailed regime leaders, but it has faced a rash of criticism in recent mon
Tribunal officials have told local media that edits to court documents is a regular occurrence and not improper.
Prosecutors say the five suspects in cases 003 and 004 were close enough to the leadership of the regime to be investigated.
Neither suspect is willing to speak to reporters, according to friends and neighbors in Battambang province, where they both keep homes.
The complaint follows the resignation earlier this month of UN investigating judge Siegfriend Blunk.