Guest editorial: EU agencies in transnational criminal enforcement: From a coordinated approach to an integrated EU criminal justice

The articles in this special issue consider the institutional foundations of the Union’s criminal policy – a highly critical question for the future development of the Area of Freedom, Security and Justice. The ratification of the Lisbon Treaty and the subsequent legal and political developments have entailed an unprecedented reinforcement of the powers of the EU’s criminal justice agencies Europol, Eurojust and, recently, the establishment of a novel criminal justice body – the European Public Prosecutor’s Office. On the basis of the Treaty mandate, the EU legislator has adopted important reforms such as the EPPO Regulation, and new Europol and Eurojust regulations. In light of these developments, this special issue explores via a multi-disciplinary investigation the extent to which the increased competences of the EU and the stronger presence of EU criminal justice agencies have transformed EU criminal law from an ‘intergovernmental’ regime to a ‘supranational’ and ‘integrated’ framework. We expect that this special issue will enhance further debate on EU criminal justice agencies, encourage novel paths to bridge the boundaries between disciplinary epistemic communities in the study of EU criminal justice and more broadly contribute to an advanced understanding of the role of law in social and political integration.