002/19-09-2007-ECCC-OCIJ ЮŲŠ / No: D427 staff, who for this purpose received ingoing messages several times per day.208 According to one witness, Nuon Chea always received a copy of the messages Pol Pot had read.209 75. There was also frequent written communication between individual CPK leaders, most notably between Pol Pot and Nuon Chea, who used to exchange letters every one or two days.210 Zone to Centre Communication 76. Zones and autonomous sectors reported to the Standing Committee primarily on the agricultural situation, such as the rice harvest and on irrigation systems, the livelihood of the people and the enemy and military situation.211 One witness (the Secretary of Autonomous Sector 105) mentions that he sent telegrams to the Centre and that Pol Pot would send comments back to him about the arrests of cadres and about confessions.212 77. Surviving telegrams reported matters such as desertion and lawlessness,213 the conflict with Vietnam (detailing enemy numbers killed and equipment captured and advising Office 870 of planned offensives and enemy movements),214 questions on internal security activities in general terms215 or in detail, sometimes referring to those under suspicion,216 Vietnamese “spies” and their interrogations (mentioning the use of torture) 217 or “traitors” (while 218 mentioning them by name). 78. The Zone sent and received between one and several telegrams per day on an irregular basis from the sectors.219 Communication was only established between the Centre and the sectors but not between the Centre and the districts.220 79. A Zone Secretary had a schedule table prepared by the Centre, that indicted the times to make contact with the Centre.221 Telegrams were sent out from the zone at least once a day222 sometimes twice a day (morning and evening),223 or in special occasions, telegrams were sent at other hours of the day.224 One of the sector telegram operators in Central Zone (fomer North Zone) mentions that he received about four to five messages a day from the Centre (870).225 80. The schedule for telegram activity in the sectors was developed by the zone, thus making it easier to distinguish between telegrams that came in from the Centre and those that were received from different sectors.226 The receipt of a telegram was confirmed by a code word 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. 26