Chetnik war crimes in World War II The Chetniks, a Yugoslav royalist and Serbian nationalist movement and guerrilla force, committed numerous war crimes during the Second World War, primarily directed against the non-Serb population of the Kingdom of Yugoslavia, mainly Muslims and Croats, and against Communist-led Yugoslav Partisans and their supporters. Most historians who have considered the question regard the Chetnik crimes against Muslims and Croats during this period as constituting genocide. The Chetnik movement drew its members from the interwar Chetnik Association and various Serb nationalist groups. Some Chetnik ideologues were inspired by the Stevan Moljević's Homogeneous Serbia memorandum in July 1941, that defined the borders of an ethnically pure Greater Serbia. A similar document was put forward to the Yugoslav government-in-exile in September 1941. The Yugoslav government embraced t...