In the city of Essen in western Germany, the police have had a special operation against clan crime for almost two years.
During a traffic check in northern Essen, police commissioner Bernd Stratmann and his colleagues have just stopped a Mercedes AMG, a car that they know is popular with high-ranking members of the city's criminal families.- We are looking for the heavyweights of the clans and the higher up in the hierarchy, the more expensive the cars, says Bernd Stratmann, who works one week a month in the Essen police's…