002/19-09-2007-ECCC-OCIJ ЮŲŠ / No: D427 414. Eleven (11) civil parties were declared admissible with regards to S24 Prey Sar,1804 since the alleged crimes described in the application were considered as being more likely than not to be true, pursuant to Internal Rule 23 bis (4). These civil parties have provided sufficient elements tending to establish prima facie personal harm as a direct consequence of the crimes committed at S24 Prey Sar. C. SECURITY CENTRES AND EXECUTION SITES S-21 Security Centre1805 ņĕĀБũ₤ĕʼnЊ₤НŠ ₤-Ươ Location and creation 415. The S-21 security centre (S-21) was composed of a detention centre in Phnom Penh and an execution site (Choeng Ek) located some 15 kilometres to the south-west of Phnom Penh, in Kandal province.1806 Prey Sar (S-24) was a labour camp under S-21 and is discussed in a separate section of the Closing Order. 416. On 15 August 1975, Son Sen summoned Duch and In Lorn alias Nat, of Division 703 of the RAK, to a meeting at the Phnom Penh railway station. The purpose of the meeting was to establish S-21.1807 S-21 became fully operational in October 19751808 and remained in operation until 7 January 1979, when Duch, the staff and detainees working in S-21 fled.1809 417. The detention centre was originally located in Boeng Keng Kang 3 Subdistrict at the junction of streets 163 and 360.1810 Late in November 1975, S-21 was transferred to the headquarters of the national police, and then, in January 1976, it was moved back to its original location.1811 In April 1976, the detainees were finally relocated – at Duch’s behest and with Son Sen’s approval – to the premises of Pohnea Yat Lycée,1812 which is now the site of the Tuol Sleng Genocide Museum. The main building (Building E) was used for the reception, registration and photographing of prisoners.1813 A room in this building was set up for producing paintings and sculptures to glorify the regime. Buildings B, C and D housed the general prison population, either in tiny individual cells built of wood or brick, or in larger collective cells.1814 The block to the south of the former lycée and later building A, was called the “Special Prison” and was used to hold important detainees.1815 The whole compound was surrounded by a fence and protected by armed guards.1816 Many other Extraordinary Chambers in the Courts of Cambodia, National Road 4, Choam Chao, Dangkao Phnom Penh Mailing address: P.O. Box 71, Phnom Penh; Tel: +855(0)23 218914 Fax: +855(0) 23 218941. 108