Volume 3 addresses the direct enforcement system, namely international criminal tribunals, how they came about and how they functioned, tracing that history from the end of WWI to the ICC, including the post-WWII experiences. They address the IMT, IMTFE, ICTY, ICTR, the mixed model tribunals and the ICC. It also contains a chapter which addresses some of the problems of the direct enforcement system, namely the general, procedural, evidentiary, and sanctions parts of ICL, which is largely made of what is contained in the statutes of the tribunals mentioned above as well as the jurisprudence of the established tribunals. In addition this volume addresses national experiences with the enforcement of certain international crimes. It is divided into 4 chapters which are titled as: Chapter 1: History of International Investigations and Prosecutions (International Criminal Accountability; International Criminal Justice in Historical Perspective); Chapter 2: International Criminal Tribunals and Mixed Model Tribunals (The International Criminal Tribunal for the Former Yugoslavia; The International Criminal Tribunal for Rwanda; The Making of the International Criminal Court; Mixed Models of International Criminal Justice; Special Court for Sierra Leone; Special Tribunal for Cambodia; East Timor); Chapter 3: National Prosecutions for International Crimes (National Prosecutions for International Crimes; National Prosecutions of International Crimes: A Historical Overview; The French Experience; The Belgian Experience; The Dutch Experience; Indonesia; The U.S. War Crimes Act of 1996; Enforcing ICL Violations with Civil Remedies: The Case of the U.S. Alien Tort Claims Act); Chapter 4: Contemporary Issues in International Criminal Law Doctrine and Practice (Command Responsibility; Joint Criminal Enterprise; The Responsibility of Peacekeepers; The General Part: Judicial Developments; Ne bis in idem; Plea Bargains; Issues Pertaining to the Evidentiary Part of International Criminal Law; Penalties and Sentencing; Penalties: From Leipzig to Arusha; Victims’ Rights in International Law).