International Criminal Law

Note: I serve as Special Adviser to the ICC Prosecutor on War Crimes. Twitter is awash with commentary about tweets issued by the Registry that explain the difference between arrest warrants and summonses. Many people have speculated that perhaps the tweets are related to the Palestine situation. Any such speculation is unwarranted, as the tweets are part of a long-scheduled series...

[Isabelle Hassfurther is a legal advisor in the International Crimes and Accountability program at the European Center for Constitutional and Human Rights (ECCHR). The ECCHR submitted a statement on the draft bill and participated in the expert hearing in the parliament’s legal committee.] [The text has also been published in German in a slightly shorter version on Verfassungsblog.] One Step...

[Isabelle Hassfurther is a legal advisor in the International Crimes and Accountability program at the European Center for Constitutional and Human Rights (ECCHR). The ECCHR submitted a statement on the draft bill and participated in the expert hearing in the parliament’s legal committee.] [The text has also been published in German in a slightly shorter version on Verfassungsblog.] On 6...

[Toby Cadman, co-founder of The Guernica 37 Group and joint head of Guernica 37 Chambers. Dr Tomas Hamilton, Guernica 37 Chambers and Adjunct Faculty at the University of Amsterdam. In recent allegations that Israeli officials interfered with the ICC’s work on Palestine, +972 Magazine, Local Call, and the Guardian documented a nine-year, state-orchestrated campaign of spying, hacking and intimidation against the Court. Described as...

[Boravin Tann is a researcher and lecturer at the Center for the Study of Humanitarian Law based at the Royal University of Law and Economics (RULE), Cambodia. Rosemary Grey is a Senior Lecturer at Sydney Law School, The University of Sydney.] This post forms part of the Opinio Juris Symposium on Reproductive Violence in International Law, in which diverse authors reflect...

[Judy Mionki is an International Criminal and Human Rights Lawyer. She has been part of defence teams at the International Criminal Court in the Kenya and the DRC situations. The views expressed in this posts are the author's own. This post summarises an upcoming journal article (forthcoming, Journal of International Criminal Justice, 2024).] This post forms part of the Opinio Juris...

[Valeria Babără works as Legal and Advocacy Officer with the Women’s Initiatives for Gender Justice, where she monitors and researches developments on the prosecution and adjudication of gender-based crimes, and contributes to legal publications including 'The Hague Principles on Sexual Violence' and 'Judicial Approaches to SGBC at the ICC'.] This post forms part of the Opinio Juris Symposium on Reproductive Violence in International...

[Kimberly Mutcherson is a Professor of Law at Rutgers Law School] This post forms part of the Opinio Juris Symposium on Reproductive Violence in International Law, in which diverse authors reflect on how the International Criminal Court and other jurisdictions have responded to violations of reproductive health and reproductive autonomy. The symposium complements a one-day conference to be held on 11...

[Javier Eskauriatza is an Assistant Professor in criminal law at the University of Nottingham School of Law. He is also the Co-Director of the Criminal Justice Research Centre, and the Convener of the Criminal Law and Criminal Justice stream for the Society of Legal Scholars.] On 24 April 2024, twelve U.S. Senators (Republican Party) sent a letter to Karim Khan, the...

[Full disclosure: I serve as the Prosecutor's Special Adviser on War Crimes.] In this post I want to provide an overview of the Rome Statute's principle of complementarity. The principle has been consistently misrepresented by politicians and journalists since word first got out that the Prosecutor, Karim Khan KC, intended to seek arrest warrants in the Palestine situation not only for...

[Miguel Lemos is an Assistant Professor at the Faculty of Law, University of Coimbra] On 28 February 2024, Ukraine’s Supreme Court decided that only persons who play a “decisive role” in an aggressive state policy and those “directing” aggressive military operations are “capable of committing the crime of aggression” (all references to the judgment of the Supreme Court can be found...

[Raquel Vazquez Llorente is the Associate Director, Technology Threats and Opportunities, at WITNESS. Sarah Zarmsky is an Assistant Lecturer and PhD Candidate at the University of Essex Human Rights Centre. In 2023, she was a Visiting Scholar at the Human Rights Center at the University of California, Berkeley School of Law.  Daragh Murray is a Senior Lecturer in International Human Rights...