Fidan was the former deputy leader of the Democratic People's Party (HADEP) until it was banned by the Constitutional Court in 2003.
[2] Fidan had been working to form an alternative organization called the Patriotic Democratic Party (Kurdish: Partîya Welatparêzên Demokratên; PWD) with Osman Öcalan, brother of the jailed PKK leader Abdullah Öcalan.
Fidan was the coordinator of the PWD which was established by Osman Ocalan after he left the PKK.
[3] He was assassinated on 6 July 2005[2] around noon in Diyarbakir's Baglar district by two armed murderers who shot him once in the back of the head with a silencer.
According to a Milliyet daily report, Tarık Fidan said his father was against political interference coming from Abdullah Öcalan or the PKK groups in the north of Iraq, adding: “It's obvious who committed the murder.