Against Metin Kaplan, self-proclaimed head of the Caliphate State, proceedings were taken up by the Oberlandesgericht Dsseldorf in February 2000. The 'emir of the believers and caliph of Muslims' had been charged with incitement for the murder of his opponent Halil Ibrahim Sofu in Berlin in 1997, and with running a criminal organization. The process may very well mark the end of most radical Islamic group which has developed in the German diaspora of Turkish migrants