002/19-09-2007-ECCC-OCIJ ЮŲŠ / No: D427 Northeast Zone until the end of 19762714 when it became autonomous and thereafter reported directly to the CPK Centre.2715 626. Phnom Kraol prison was a one-room complex constructed of wooden pillars, a bamboo lattice floor and a thatched roof.2716 K-17 consisted of a two storey building with wooden walls and a zinc roof and functioned as both the Office of the Secretary of Sector 105 and, briefly as a detention centre itself.2717 K-11 was located approximately 1 kilometre Northeast of Phnom Kraol prison,2718 and served as both a detention centre and as the military office.2719 It consisted of a wooden building with bamboo walls, a thatched roof and a plywood floor.2720 627. Trapeang Pring (also known as Tuol Khmaoch), the security centre’s execution site, was located about 4 kilometres from Koh Nhek on the road towards Kratie Province.2721 Functioning Structure and Personnel 628. Successive secretaries of Sector 105 were based at K-17, including Ham alias Laing later alias Chhan2722 (died under unclear circumstance in 1977),2723 and in September 1978 [REDACTED].2724 After Laing’s death, the sector was extensively purged, with some of those arrested being sent to Phnom Kraol.2725 Deputy secretaries included Sau Kim An alias Mey2726 (arrested on 8 December 1977)2727 Cham2728, Phak2729 and Lork.2730 The Member in charge of economic affairs was Kham Phoun (died under unclear circumstances in 1977).2731 Sophea was a member of the Sector 105 Committee in charge of military and security2732 until his arrest in November or December 1978.2733 629. Centre Division 920, which had been deployed to Mondulkiri in late 19752734 was instructed to cooperate closely with the local authorities there reporting simultaneously to them and the General Staff.2735 Division 920 was purged in 19762736 and cadre were sent cadre were also sent to the Centre, and the Centre sent Division 920 “confessions” implicating grassroots authorities back to the sector.2737 630. Phnom Kraol was under military control. The sector military comprised two battalions, known as Battalion 1 and Battalion 2.2738 The latter had a contingent in the Phnom Kraol area2739, with Leng as the commander of battalion until his arrest in February 1978.2740 The battalion deputy was [REDACTED]2741 and the member [REDACTED].2742 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. 159