On 9 December 2015, the International Co-Investigating Judge charged Mr Yim Tith with the following alleged crimes:
- Genocide of the Khmer Krom;
- Crimes against Humanity, namely murder; extermination; enslavement; deportation; imprisonment; torture; persecution against the so-called “17 April people”, “East Zone Evacuees”, Northwest Zone cadres, their families and subordinates, as well as the Khmer Krom and Vietnamese; and other inhumane acts including forced marriage;
- Grave Breaches of the Geneva Conventions of 1949 committed as part of an international armed conflict between Democratic Kampuchea and the Socialist Republic of Vietnam, namely wilful killing and the unlawful deportation or transfer of civilians;
- Violations of the 1956 Cambodian Penal Code, namely premeditated homicide.