The report was prepared jointly by the by the Federal Criminal Police Office (BKA), the Federal Office for the Protection of the Constitution (BfV) and the Hesse Information and Competence Centre Against Extremism (HKE). It is based entirely on information from the federal and state police and domestic intelligence agencies.
Between 29-31 May 2017, the OSCE Centre in Ashgabat organised a practical course for border agencies "Making Examinations and Detections - Persons, Cargoes and Vehicles” at the International Customs Terminal in Ashgabat.