01005786 Case File No. 002/19-09-2007/ECCC/TC E313 Penh.656 K-7 was the messenger unit.657 K-8 was responsible for growing vegetables.658 K-9 was a textile factory.659 K-11 was a medical facility.660 K-12 organised motor vehicles and drivers.661 K-15 was a political training school, principally (but not exclusively) for Cambodians returning from overseas.662 K-18 was a telegraph office.663 214. S-71 was also empowered to make arrests and to transfer detainees to the S-21 Security Office.664 In 1978, CHIMM Sam Aok alias Pang was himself arrested and taken to S-21, and his deputy KHAN Lin alias Ken took charge of S-71.665 5.1.7. Zones, Sectors, Districts and sub-district entities 215. Below the level of the Party Centre, Democratic Kampuchea was divided into a hierarchical series of administrative areas. At the top of this hierarchy were the Zones. The Zones were originally devised by the CPK in the pre-1975 period of armed 656 THA Sot Interview Record, E3/464, 19 January 2008, p. 6, ERN (En) 00226111; SA Sarin DCCam Interview, E3/4596, 5 May 2009, pp. 34, 63-64, ERN (En) 00735926, 00739555-00739556; UM Keo Interview Record, E3/5173, 8 May 2008, p. 3, ERN (En) 00272660; SENG Lytheng Interview Record, E3/462, 4 December 2007, p. 4, ERN (En) 00223565. 657 T. 3 September 2012 (NORNG Sophang), pp. 15-16; T. 21 March 2012 (KAING Guek Eav), p. 28. 658 T. 25 September 2012 (NOEM Sem), p. 34; T. 7 June 2013 (SOK Roeu), p. 73; NORNG Sophang Interview by CHAY Chandaravann and Thomas KEUHNEL, E3/1739, 18 February 2009, p. 2, ERN (En) 00844057. 659 T. 3 July 2013 (EK Hen), p. 26. 660 T. 25 September 2012 (NOEM Sem), pp. 37, 38; CHEA Say Interview Record, E3/69, 11 December 2007, p. 3, ERN (En) 00233151. 661 THA Sot Interview Record, E3/464, 19 January 2008, pp. 3, 6, ERN (En) 00226108, 00226111; CHEA Say Interview Record, E3/69, 11 December 2007, p. 3, ERN (En) 00233151; YIM Laing Interview Record, E3/463, 18 January 2008, p. 5, ERN (En) 00204734. 662 T. 7 August 2012 (ONG Thong Hoeung), pp. 98, 99-100; SA Sarin DC-Cam Interview, E3/4596, pp. 32-33, ERN (En) 00739524-00739525. 663 T. 29 August 2012 (NORNG Sophang), p. 70; PHAN Van Interview Record, E3/447, 28 February 2010, p. 11, ERN (En) 00486520. 664 T. 24 April 2012 (SALOTH Ban), pp. 19-20, 25, 45; T. 25 April 2012 (SALOTH Ban), p. 67; KAING Guek Eav Interview Record, E3/456, 25 June 2008, p. 5, ERN (En) 00198883; KAING Guek Eav Interview Record, E3/107, 24 June 2008, p. 4, ERN (En) 00198220. 665 S-21 Confession - CHHIM Sam Aok, E3/1596, 28 May 1978; T. 28 March 2012 (KAING Guek Eav), p. 93; T. 10 April 2012 (KAING Guek Eav), p. 11; T. 13 June 2012 (OEUN Tan), p. 102; T. 25 September 2012 (NOEM Sem), pp. 5, 45, 47; T. 8 January 2013 (SA Vi), p. 49; T. 25 April 2013 (RUOS Suy), pp. 55-56; T. 18 July 2013 (Stephen HEDER), pp. 12-13; THA Sot Interview Record, E3/464, 19 January 2008, pp. 4, 5, ERN (En) 00226109, 00226110; OEUN Tan Interview Record, E3/33, 9 October 2008, p. 7, ERN (En) 00235131; LENG Chhoeung Interview Record, E3/385, 17 July 2009, p. 7, ERN (En) 00360131. Case 002/01, Judgement, 7 August 2014 - Public 119