Youk Chhang founded DC-Cam and has led the organization since 1995, creating a national genocide education program.
Launched in 1995, DC-Cam has become a well-respected voice for Khmer Rouge victims and survivors.
Spike in numbers raising concerns commercialism compromising efforts to preserve memorials for 2 million victims of Khmer Rouge regime.
In a statement, the court said that victims and civil parties in the case would receive reparations in the form of project funding at the request of the Cambodian government.
The co-investigating judges last week dropped the case against Chaem, determining that her case did not fall within the court’s jurisdiction as she was neither a senior leader of the regime nor one of the most responsible for its crimes.
The international prosecutor, however, contended that she had played a key role in criminal acts that led to the deaths of thousands of Cambodians.
The Khmer-language film, “First They Killed My Father”, had a cast and crew of some 3,500 Cambodians and was produced for Netflix and was filmed in Cambodia last year.
The court found that Chaem did not fall under their jurisdiction because she was not a senior leader of the Khmer Rouge or one of the most responsible officials.
The film is an adaptation of the memoir of Loung Ung, an author, which describes her traumatic early life under the Khmer Rouge between 1975 and 1979.
Angelina Jolie says she plans for her son Maddox, who was born in Cambodia, to help lead some of her Cambodia projects after he turns 18.
Two Facebook pages, one for the Sleuk Rith Institute and a Khmer Rouge history website, were created early this year.