A moral panic is an exaggerated media reaction to behaviour that deviates from the norms and values of society and causes moral entrepreneurs, such as the police, church leaders, politicians, and the media themselves, to question whether the moral fabric of society is falling apart. Folk devils is the term given to those that commit the act that cause the moral panic. The terms folk devils and moral panics come from the sociologist Stanley Cohen, who researched clashes in British seaside towns in the early 1960s between two groups of young people: 'the mods' and 'the rockers'. Both groups were identified as being part of a moral decline from the younger generation, and the initial small-scale clashes were exaggerated in the national press. This led to a clampdown by politicians and greater police presence at British seaside towns during public holidays. As a result, more crime occurred, and the scale of the clashes was once again exaggerated. This led Cohen to argue that the role of the media and the police in these clashes had led to deviancy amplification - increasing the level of crime that occurred through focusing more attention on the clashes. Moral panics and folk devils has become a large part of the reporting of behaviour that mainstream society sees as deviant. In recent years, moral panics have focused on the level of knife crime in London, the role of urban music in gangland culture, electronic gaming, welfare dependency and migration into the UK.