Acknowledgements List of Contributors Introduction Michiel Luchtman, Katalin Ligeti and John Vervaele PART I PUNITIVE ENFORCEMENT IN COMPOSITE PROCEDURES: THE CONSTITUTIONAL SETTING 1. Setting the Scene: The Rise of EU Law Enforcement Authorities Michiel Luchtman 2. Constitutional Principles and Composite Punitive Enforcement in the EU Aart de Vries and Rob Widdershoven 3. Composite Enforcement and Comprehensive Judicial Protection Katalin Ligeti and Gavin Robinson PART II MODELS FOR PUNITIVE ENFORCEMENT IN COMPOSITE PROCEDURES 4. The Investigative Stage Martin Boese and Anne Schneider 5. The Exchange of Operational Information between EU and National Authorities Koen Bovend'Eerdt and Iro Karagianni 6. The Use of Investigative Results as Evidence in National Punitive Proceedings: The Case of OLAF Fabio Giuffrida and Georgia Theodorakakou PART III CAPITA SELECTA: TOPICAL ISSUES OF EU ENFORCEMENT AUTHORITIES AND THEIR RELATIONS WITH THE NATIONAL LEGAL ORDERS 7. Where Engel Fears to Tread? Applicable Law, Choice of Forum and Ne Bis in Idem in a Composite Administrative Punitive Legal Order Gavin Robinson 8. Information Sharing between the EU Administrative Enforcement Agencies and the Criminal Authorities Sensu Stricto Silvia Allegrezza, Anna Moraiti, Leonardo Romanò and Andrea Salemi 9. Lawful and Fair Use of Criminal Evidence in the EU: The Unwritten Script for European Enforcement Agencies John Vervaele PART IV OUTLOOK AND PERSPECTIVES 10. Pertinent Issues of Punitive Enforcement in a Composite Legal Order Michiel Luchtman 11. Outlook on the European Public Prosecutor's Office: A Giant with National Clay Feet? John Vervaele Index.