Ao An








Photo courtesy of Documentation Center of Cambodia.


Ta An
Place of Birth
Arrested Date
Defence counsel
Mom Luch (Cambodia), Göran Sluiter (Netherlands) and Richard Rogers (United Kingdom)
Position in Democratic Kampuchea

Alleged Central Zone Deputy Secretary and Sector 41 Secretary.

Status of case

Ao An was charged with premeditated homicide and crimes against humanity on 27 March 2015. On 14 March 2016, Ao An was charged with additional alleged crimes, including genocide. On 16 December 2016, the Co-Investigating Judges concluded the judicial investigation against Ao An and the case was severed creating case file 004/02. 

On 16 August 2018, the Co-Investigating Judges issued separate Closing Orders against Ao An. The National Co-Investigating Judge issued a dismissal of the case, finding that Ao An did not fall within the personal jurisdiction of the ECCC. The International Co-Investigating Judge indicted Ao An for genocide, crimes against humanity and violations of the 1956 Cambodian Penal Code.

Key allegations
  • Genocide of the Cham;
  • Crimes against Humanity, namely murder; extermination; enslavement; imprisonment; torture; persecution against the so-called “17 April people”, former Lon Nol soldiers, Central (Old North) Zone cadres, their families and subordinates, people from the East Zone, and other “bad elements” and “internal enemies”; persecution against Cham and Vietnamese people; and other inhumane acts including forced marriage, rape, enforced disappearances, physical abuse, forced labour, and inhumane conditions of detention;
  • Violations of the 1956 Cambodian Penal Code, namely premeditated homicide.

    These crimes were allegedly variously committed at Anlong Chrey Dam Forced Labour Site; Kok Pring Execution Site; Met Sop (Kor) Security Centre; Tuol Beng Security Centre and Execution Site and Wat Angkuonh Dei Pagoda; Wat Au Trakuon Security Centre; Wat Batheay Security Centre; Wat Phnom Pros Execution Site; Wat Ta Meak Security Centre; Chamkar Svay Chanty Security Centre; Wat Baray Chan Dek Security Centre; Wat Srenge Security Centre; and at various locations in Kampong Cham Province.
Case No. Case 004Case 004/02
Decision on Ao An’s Urgent request for disclosure of documents relating to disagreements D262.2
[Redacted] Decision on Request for Extension of Time and Page Limit for Appeal Against the Closing Order D360/7
[Corrected 1] Civil Party Co-Lawyers’ Urgent Request for an Extension of Time and Pages to Appeal the Civil Party Admissibility Decisions in Case 004/2 D362/1
[Corrected 1] Co-Prosecutors’ Request for Extension of Deadlines for Notices of Appeal of Closing Orders in Case 004/02 D359/1
[Corrected 1] Submission Joining and Providing Additional Support for “Civil Party Co-Lawyers’ Urgent Request for an Extension of Time and Pages to Appeal the Civil Party Admissibility Decisions in Case 004/2” D362/2
[Corrected 1] Decision on Ao An's urgent request for redaction and interim measures D360/3
[Corrected 1] International Co-Prosecutor’s Response to the Civil Party Co-Lawyers’ Two Requests regarding Their Appeals of the ICIJ’s Admissibility Order D362/3
[Redacted] Closing Order (Indictment) D360
Decision on Civil Party Requests for Extension of Time and Page Limits D362/4
[Redacted] Annex III: Witnesses of Forced Marriage by Province D360.3
Request to reclassify document number D360.3 from Public to Confidential D360.3/Corr-1
Request to reclassify document number D360 from Public to Confidential D360/Corr-1
Annex IV: Cham Victims D360.4
Annex D: Letter from VSS to Co-Investigating Judges D362.4
Annex I: Completion Plan Chronology D360.1
Annex B: Civil Party Applications Declared Inadmissible D362.2
International Co-Investigating Judge's Order on Admissibility of Civil Party Applicants D362
Annex E: CPs in Case 002 Who have Passed Away and Join Case 003 & 004 D362.5
Annex II: Motions and Requests Filed with the CIJs D360.2
Annex C: Civil Party Applications condisered as Complaints D362.3
Annex A: Civil Party Applications Declared Admissible D362.1
[Corrected 1] Decision on Ao An’s Urgent request for disclosure of documents relating to disagreements D355/1
[Redacted] Decision on International Co-Prosecutor’s Appeal Concerning Testimony at Trial in Closed Session D309/6
[Redacted] Considerations on Appeal Against Decision on Fifth Request for Investigative Action D260/1/1/3
Ao An’s submission on whether an attack by a state or organization against members of its ownarmed forces could qualify as a crime against humanity under Customary international law in 1975-1979 D306/3


The following is a summary of the Trial Chamber’s Judgement in Case 002/02.


In advance of the Trial Chamber’s pronouncement on 16 November 2018 of a summary of the findings and the disposition of the Judgement for Case 002/02 concerning the Accused NUON Chea and KHIEU Samp

Media Alert: Access for public and media accreditation to Case 002/02 judgement

The Trial Chamber of the Extraordinary Chambers in the Courts of Cambodia (ECCC) notified the Parties that pursuant to Inte