The internationalization of police co-operation is one of the most controversial issues in the justice and internal affairs policy of the European Community. To understand the complicated nature of this problem one should not only have some insight into the realities of this particular form of international co-operation, but also into the different perspectives the states in question have about cross-border policing in the Community.;This book entails on the one hand analyses of the concrete development and real extent of international police co-operation in Western Europe at several levels, from the bilateral level of co-operation along the Dutch-Belgian-German border to the transatlantic level of co-operation between the American and European police forces. On the other hand, it contains descriptions of the official and informal viewpoints within France, UK, Germany, the Netherlands and Belgium concerning the present state and the future of international police co-operation in the European Community.