This timely book provides an astute assessment of the institutional and constitutional boundaries, interactions and tensions between the different levels of governance in EU criminal justice. Probing the conceptual and theoretical underpinnings of the EU's approach to transnational crime, it proposes improved mechanisms for public participation in the governance of EU criminal law, designed to ensure better transparency, accountability and democratic controls. Influential scholars from across Europe analyse key practical challenges to the governance of EU criminal law in the context of...