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[Dr. Imar de Vries is a media scholar at Utrecht University whose research explores the cultural histories, social imaginaries, and ideologies surrounding media, communication, and emerging digital technologies Dr. Henning Lahmann is an assistant professor at eLaw – Center for Law and Digital Technologies at Leiden University Law School] In 2010, at a conference organised by independent Dutch investigative journalism platform Follow...

[Rossella Pulvirenti is a Senior Lecturer in Manchester Law School (UK), specialising in international criminal law and human rights, with a specific focus on evidence and witnesses’ rights] The evidentiary landscape of international criminal justice is undergoing a profound transformation through the use of open-source intelligence (OSINT). OSINT marks the third major revolution in evidentiary approaches to prosecuting mass atrocity crimes....

[Guillen Torres Sepulveda is Open Source Investigations Specialist with the Human Rights Center, Berkeley School of Law. Pınar Yolum is Professor of Trustworthy AI at the Department of Information and Computing Sciences at Utrecht University] Open-source investigation is the practice of collecting, verifying, and analyzing publicly available information to answer investigative questions.  These questions vary from fact-checking to human rights monitoring to...

[Opeyemi Lawal is an investigative journalist with the Foundation of Investigative Journalism (FIJ), Nigeria, and creator of MobWatch. She was a cohort member of the WITNESS’ Fortifying Community Truth project in West and Central Africa cohort for 2024. Georgia Edwards is the senior program coordinator of Evidence and Investigations at WITNESS. She works with journalists and activists on investigations using visual...

[Lydia Millar is a PhD candidate at Queen's University Belfast and manager of the Digital Investigation Lab at the School of Law. Felipe Castillejo Gaitán is a Colombian Human Rights and OSINT Researcher, former co-coordinator of the Hertie School Digital Verification Corps] How did your respective open-source investigation labs begin? Lydia (Queen’s University Belfast): In October 2023, the School of Law at Queen’s University...

[Isabella Regan is PhD researcher at the department of Law, Society and Crime of Erasmus School of Law, Rotterdam, focusing on public and private open-source investigations and atrocity crimes. Alexa Koenig, PhD, MA, JD, is a research professor at UC Berkeley School of Law, faculty director of UC Berkeley's Human Rights Center, and director and co-founder of the center's Investigations...

[Jessica Dorsey is an Assistant Professor of International Law at Utrecht University School of Law, a member of the core teaching team of the Utrecht University Open-Source Global Justice Investigations Lab and Managing Editor of Opinio Juris] This week, Opinio Juris has the pleasure of hosting an exciting discussion on open-source investigations labs, educational approaches and societal impact. The collection of...

[Dr Atul Alexander is an Assistant Professor at the West Bengal National University of Juridical Sciences. Vadita Agarwal is a final year law student at the West Bengal National University of Juridical Sciences.] Trump’s second term has witnessed unending executive orders, official statements, and social media pronouncements. Some of these actions can be classified according to Markus Gehring and Tejas Rao as first,...

[Dr Robin Vanderborght is a researcher in international politics at the University of Antwerp, Belgium Dr Anna Nadibaidze is a postdoctoral researcher at the Center for War Studies, University of Southern Denmark] On April 8, 2025, Palmer Luckey, the founder of defence technology company Anduril Industries, steps on the stage of TED2025 to deliver a talk on the military use of artificial...

[This interview was conducted by Dr Stephanie Triefus, a researcher at the Asser Institute and Academic Coordinator for the Netherlands Network for Human Rights Research]  The Annual T.M.C. Asser Lecture is an occasion for reflection on pressing questions of international law and is the Asser Institute’s flagship activity. Each year, the Asser Institute invites a distinguished scholar or practitioner to share...

[Ana Srovin Coralli has written her PhD Thesis entitled ‘The Crime of Enforced Disappearance: Unpacking Omission Liability and Continuity’ at the Geneva Graduate Institute and has worked as a Teaching Assistant at the Geneva Academy of International Humanitarian Law and Human Rights and the Geneva Graduate Institute] Over the past few years, many Master’s and LLM students have approached me and...