The course aims to provide students with a basic knowledge of the principles governing the influence-interference relationship between criminal law and supranational law (European / Community and conventional law), a comparative investigative methodology, as well as the essential features of the justice system international criminal law. In addition to learning the theoretical categories, the acquisition of an adequate study methodology, through a technical-exegetical and constitutionally oriented approach, takes special primary importance, having special regard to the practical-procedural repercussions of the so-called. "Europeanization" of criminal law