The Office for the Protection of the Constitution in North Rhine-Westphalia warns that conspiracy theories can lead to terror. However, this would affect all forms of extremism and could be observed in the right and left spectrum.

Burkhard Feier, head of the Office for the Protection of the Constitution in NRW, said: "We see several worrying trends in the area of right-wing extremism. The neo-Nazi milieus are becoming more and more radicalized.".