 In his 8 January Cumhuriyet article, titled Ültimatom, Mumcu emphatically stated that he would soon reveal in a new book the ties between Kurdish nationalists and some intelligence organizations (i.e., Abdullah Öcalan and the National Intelligence Organization).On the morning of 24 January 1993, Mumcu left his home and was killed by a C-4 plastic bomb as he started his car, a Renault 12.There are numerous hypotheses over who was responsible for his murder.