This is a study of the legal framework on criminal measures on trafficking and/or smuggling and facilitating illegal entry in six Member States: France, Germany, Italy, the Netherlands, Spain and the UK, and the European Union. This issue is at the nexus of migration and criminal law. The system of criminal law in the Member States is a central part of the balance of the powers of the authorities and the rights of the citizen. The way in which civil liberties of the individual are weighed in comparison with public protection duties by the authorities is in essence a constitutional issue. The...