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[Alonso E. Illueca is an Associate professor of international law and human rights at Universidad Santa María La Antigua] In recent weeks the President of the United States of America, Donald Trump has repeatedly asserted that he is going to “take back” the Panama Canal. By doing so and not ruling out the use of force, he has threatened the territorial...

[Benjamin Thorne is a Lecturer (Assistant Professor) in Criminal Law at the University of Reading] Almost 3 weeks into Donald Trump’s second term as US President and one could have been forgiven for becoming somewhat numb to the seemingly never ending conveyor belt of Executive Orders (EO) being announced. However, one particular EO jolted many from their numbness, not because it...

[Quazi Omar Foysal is a Lecturer in Law at American International University-Bangladesh (AIUB), Bangladesh and an Advocate of the Supreme Court of Bangladesh] Introduction  The International Court of Justice (ICJ or Court) in the Order of 24 May 2024 in South Africa v. Israel indicated its third provisional measure that Israel shall take effective measures to ensure the unrestricted access to the...

[Jens Iverson is an Assistant Professor at Leiden University and a Visiting Professor/Lecturer at Vermont Law School, Santa Clara University School of Law, and University of California College of the Law, San Francisco] A previous post on Opinio Juris, Threats of Force and Attribution: The Case of Incoming Heads of State, casts doubt on the legal seriousness of Trump’s statements before...

[Steven van de Put is a legal advisor at the Royal Netherlands Air Force] This post is written in the author's personal capacity. Historically, accountability for violations of international humanitarian law (IHL), has mainly been a matter of individual criminal processes. Such a notion was already visible in the statements made during the Nuremberg trials, where it was held that crimes against international...

[Tarcisio Gazzini is Professor of International Law at the University of Padova (Italy). He is the author of The Changing Rules on the Use of Force in International Law (Manchester University Press, 2006) and a founding editor of the book series Nijhoff International Investment Law and of Journal du droit transnational] Introduction Self-defence has become a legally intractable subject. Article 51 of...

[Mark Klamberg is professor of international law at Stockholm University and currently resides in Washington, DC, where he is affiliated with American University WCL and the Atlantic Council’s Strategic Litigation Project. Alexandra Lily Kather provides expert legal advice to a range of accountability actors, including the Strategic Litigation Project at the Atlantic Council, on violations of international criminal law with a...

[Mark Klamberg is professor of international law at Stockholm University and currently resides in Washington, DC, where he is affiliated with American University WCL and the Atlantic Council’s Strategic Litigation Project. Alexandra Lily Kather provides expert legal advice to a range of accountability actors, including the Strategic Litigation Project at the Atlantic Council, on violations of international criminal law with a...

[Marc Weller is Professor of International Law and International Constitutional Studies in the University of Cambridge] The Cambridge Initiative on Peace Settlements, in cooperation with Opinio Juris, offered a proposal for ending the war in Ukraine as soon as the conflict broke out, along with detailed contributions on individual aspects of a possible settlement from our international team of experts. This...

[Carolina Trejos (LLM in Public International Law) is a consultant at the Special Jurisdiction of Peace, on macro-case 07 regarding child recruitment. She was a legal fellow at the Center for Reproductive Rights and interned at Women’s Link Worldwide and the Inter-America Commission of Human Rights.] Introduction On February 2023, the Special Jurisdiction of Peace (JEP), the transitional justice tribunal in Colombia,...