Author: Leila Nadya Sadat and Douglas J. Pivnichny

[Leila Nadya Sadat is the Henry H. Oberschelp Professor of Law and Israel Treiman Faculty Fellow at Washington University School of Law and the Director of the Whitney R. Harris World Law Institute. Douglas J. Pivnichny is the Whitney R. Harris World Law Institute Fellow at Washington University School of Law and a masters candidate in International Law at the Graduate Institute of International and Development Studies in Geneva.] Last month, the International Law Commission moved the topic of crimes against humanity from its long-term to its active agenda and appointed Professor Sean D. Murphy as Special Rapporteur. This was a crucial step in filling a normative gap that has persisted despite the development of international criminal law during the past decades:  the absence of a comprehensive global treaty on crimes against humanity. Although this post will not rehearse the reasons a treaty is needed, an eloquent case for a treaty can be found in an important 1994 article by Cherif Bassiouni. Professor Murphy’s charge is to prepare a First Report, which will begin the process of proposing Draft Articles for Commission’s approval. The Commission first included the topic of crimes against humanity on its Long-Term Programme of Work in 2013 on the basis of a report prepared by Professor Murphy.  This report identified four key elements a new convention should have: a definition adopting Article 7 of the Rome Statute; an obligation to criminalize crimes against humanity; robust inter-state cooperation procedures; and a clear obligation to prosecute or extradite offenders (para. 8). The report also emphasized how a new treaty would complement the Rome Statute (paras. 9-13). The Crimes Against Humanity Intiative