002/19-09-2007-ECCC-OCIJ ЮŲŠ / No: D427 426. Within the group of former CPK cadres, at least 209 persons detained at S-21 came from Office 870 and S-71, as well as from the following sub-ordinate offices: the telegram operation unit, the Offices under S-71 with the code numbers K-1 to K-18 (and particularly from Ta Lei village, part of K-13), Yo10 (the military unit in charge of protecting CPK leaders) and Stoeng Meanchey and the former B-20. The first arrest was reported on 27 July 1976 and the last was reported on 19 December 1978.1852 427. Before their arrest, at least 113 prisoners were directly under the authority of the Ministry of Foreign Affairs, including those who were at its M-1 Office at Chraing Chamres after having been recalled from DK embassies abroad1853 (the first arrest was dated September 1976 and the last on December 1978). At least 16 prisoners were arrested from Boeng Trabek and associated offices K-15 and K-17 (the first arrest was dated December 1975 and the last on June 19781854). 428. Throughout the DK era, at least 482 prisoners were arrested from the Ministry of Commerce or from local or central commercial units attached to it, such as fisheries, clothing, government warehouses, transport and the Kampong Som Seaport.1855 The first reported arrest was on October 1975 and the last was reported on March 1978. 429. 116 detainees were former personnel of the Ministry of Social Affairs or its hospitals and subunits, including Pha-1, Pha-2 at Chroy Changva, Pha-3 (Psah Cha), Pha 4, Po-17 (17 April Hospital), Po-1 (Calmette), Po-2, Po-3, Po-4 (later Po-6), Ph-5 and the Malaria eradication office. The first arrest was recorded in September 1976, and the last was recorded at the end of December 1978, with a peak in arrests in 1978.1856 430. At least 84 detainees were arrested from the Ministry of Propaganda and Education and its sub-units, including offices codes K-25 to K-38, which designated printing presses, the DK radio station, performing arts troupes and journalist groups. The first recorded arrest was on 21 September 1976, and the last was dated 23 May 1978, with an increase in the number of arrests between February and May 1978.1857 431. The CPK cadres and the members of the RAK who were arrested came from all zones and autonomous sectors of Cambodia. The numbers increased with the waves of purges, as arrests increasingly targeted higher-level cadres and military commanders. Thus, the number of prisoners coming from the former Central (Old North) Zone rose to 360 prisoners for the whole period, with more than 80 arrests in February 19771858 (the month after Koy Thuon’s arrest1859). Sector 106 accounted for 75 arrests with a peak in March 1977.1860 Some of those 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. 111