002/19-09-2007-ECCC-OCIJ ЮŲŠ / No: D427 demarcating administrative boundaries, Prey Sar came under Phnom Penh. Based on testimony collected, the main premises of S-24 extended from Prey Sar prison to the village of Chek. However, the whole S-24 centre covered a larger area.1745 S-24 came into operation as a work site for S-21 when In Lorn alias Nat was Chairman of S-21, that is, before March 19761746 and remained in operation until 7 January 1979.1747 Functioning Structure and Personnel 401. The function of the S-24 worksite was to reform and reeducate combatants1748 and to provide food to supply S-21 and its branches.1749 Duch explained that Prey Sar was part of S-211750 and that when he was appointed Chairman of S-21, this site came under his authority.1751 Nun Huy alias Huy Sre (also a member of the S-21 Committee) was responsible for the day-to-day operation of S-241752 until his arrest in December 1978. [REDACTED] was then appointed as his replacement. 1753 402. Duch received regular reports informing him of its operation, the detainees’ work regimes and the identities of those who were sent from S-24 to S-21 or to Choeng Ek. He also stated that he visited Prey Sar on four occasions.1754 According to Duch, in the same manner as for S-21, the decision to send people to S-24 was taken by his superiors Son Sen and Nuon Chea, while the specific decision to send members of S-21’s staff to S-24 for reeducation was taken by the S-21 Committee.1755 Living and Working Conditions 403. With regard to S-24, it is not possible to state with precision the number of people detained there on the basis of the existing evidence relating to lists of people. However, it clearly emerges that several hundred people were held there at one time,1756 a figure that was confirmed by Duch.1757 In the Duch judgment in Case File 001, the Trial Chamber noted that “the isolated and fragmentary documentation placed before it presents an incomplete picture of the numbers of those held, sent for execution, or surviving detention at S-24. for these reasons, the Chamber finds that the cumulative total detained at S-24 was no fewer than 1,300”.1758 404. Several witnesses stated that men, women,1759 and children were detained at S-24.1760 According to Duch, the detainees fell into two main categories: firstly, persons whose 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. 105