002/19-09-2007-ECCC-OCIJ ЮŲŠ / No: D427 555. In 1975 the monks and nuns resident in the monastery were disrobed and sent to live in the villages.2403 The pagoda was then converted into part of the Wat Kirirum security centre.2404 The security centre appears to have been fully operational by 1976 and continued to function until the arrival of Vietnamese troops in January 1979.2405 Functioning Structure and Personnel 556. During the entire period of Wat Kirirum security centre’s functioning, the Subdistrict Committee Secretary was [REDACTED].2406 [REDACTED] deputies were [REDACTED] [REDACTED] and [REDACTED].2407 557. [REDACTED] received his orders directly from Ta Chham,2408 though there is some inconsistency in the evidence as to Ta Chham’s exact rank; be it at the district, sector or zone level.2409 Despite these inconsistencies, the evidence strongly supports that Ta Chham was a senior-level CPK cadre in the Phnom Sampeou area from 17 April 1975 onwards who was actively involved in supervising the work of the cooperatives and worksites and in implementing the CPK policy of arresting and executing perceived enemies. Ta Chham was arrested and sent to S-21 in January 1978.2410 558. The Northwest Zone Committee Secretary was Muol Sambat alias Ta Nhim alias Ruos Nheum alias Moul Un alias Ta Kao until his arrest by Southwest Zone cadre in May 19782411 and his replacement as Northwest Zone Secretary by Ta Mok.2412 Witness evidence supports that Moul Sambat visited Phnom Sampeou a number of times where he would speak with the subdistrict cadres and conduct education meetings for the local population.2413 Arrest and Detention 559. Men, women and children were all detained at Wat Kirirum security centre.2414 Most of the victims arrested were those working in the local cooperatives or were local CPK cadre who had been branded as traitors.2415 Senior CPK cadre would inspect the work in the cooperatives, including [REDACTED].2416 Reports on the activities of the people in the cooperatives were completed in writing at the subdistrict level and were sent to [REDACTED],2417 who would meet with representatives of the villages every 10 days.2418 Biographies were also created (listing the names and activities of former ranking Khmer 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. 143