"It would have been the first attack by the Palestinian terrorist organization Hamas in Europe: four men have been in custody in Germany and the Netherlands since Thursday; the federal prosecutor's office in Karlsruhe accuses them of looking for weapons that were ready for possible attacks on Jewish institutions in Europe should be . Does Germany have to expect further attack plans in the future? The extremism expert Dr. Hans-Jakob Schindler from the transatlantic think tank “Counter Extremism Project” has long been warning about possible risks."