… to judge the crimes of the Khmer Rouge period. Mar 06, 1999 Chhit Choeun, alias Mok, is arrested by the … politicians that Nuon Chea and Ieng Sary be tried. Sep 20, 1999 While attending the 54th UN General Assembly, Hun … 29, 2000 US Senator John Kerry leaves Cambodia after a two-day visit which focused mostly on the Khmer Rouge tribunal. …