The Trial Chamber of the court will hear testimony from two medical experts on Friday over Ieng Sary’s condition.
The former “First Lady” of the Khmer Rouge is thought to have Alzheimer’s disease.
Ieng Sary, the former foreign affairs minister for the regime, was hospitalized on Sept. 7 due to exhaustion.
Ieng Thirith, 80, was found mentally unfit to participate in her own defense, and released under supervision of her family in Phnom Penh on Sunday.
Victims at the court said Monday they did not believe she had a degenerative mental condition, which court medical experts say is likely Alzheimer’s.
Scheffer has been seeking funding from international donors to support the court, which is currently trying its second case.
Prosecutors issued their appeal on Friday, prior to a deadline that would have seen the release of Ieng Thirith Friday morning.
The Trial Chamber ruled she was not likely to be fit for trial in the foreseeable future, but it did not drop charges of atrocity crimes against her.
He urged all nations suffering from the memory of genocide to take their own initiatives to include genocide studies in their curricula.
The court ruled the confidential documents could be used on cases 003 and 004, which seek to indict five more Khmer Rouge leaders for atrocity crimes.
The photographic evidence proves there were more than just four Westerners detained, tortured and ordered executed at the Tuol Sleng prison.
The two photographs are part of a collection of more than 1,400 images anonymously donated to the center last month.