TUOL SLENG GENOCIDE  MUSEUM, the former security office 21 in “Democratic Kampuchea” was created on orders of Pol Pot (Sa lut Sor). , in April 17, 1975. Office 21 was called S-21 and designed for detention, interrogation, inhuman torture, and killing after confession from the detainees were received and documented.  Previously the area hosted Tuol Sleng Primary school and Tuol Svay Prey high school.  Many rooms were converted into a set of rooms 6×4 meters each.  Most prisoners were here 2-4 months, though political prisoners were held between 6-7 months.          This info was from brochure at the Tuol Sleng Genocide Museum.

Dustin in room that had many 4x6 meter rooms for prisoners.