The security authorities in North Rhine-Westphalia are observing with growing concern that criminal rockers are gaining a foothold in the martial arts scene. “Increasingly, mixed martial arts and similar martial arts events provide an action platform for banned motorcycle gangs and other structures relevant to crime,” says a current situation report on rocker crime in NRW, which our editors had access to. “When the rockers master such fighting techniques, it becomes more and more dangerous for the police officers on the street when they meet this clientele,” says security circles.