ReArm Europe and the Rule of Law
(with Alina Carrozzini, Letizia Bozzi and Antonio Guzmán Mutis) ‘ReArm Europe and the Rule of Law’, European Defence & Security Law & Policy Quarterly, Vol. 1, Issue 1 (2026) 4-19. DOI: 10.21552/edseq/2026/1/4.
Combating illicit firearms trafficking in Latin America and the Caribbean. Towards a regional roadmap
(with Paddy Ginn, Cecilia Farfán-Méndez, Romain Le Cour Grandmaison), Global Initiative Against Transnational Organized Crime, August 2025.
MH17 Eleven Years Later: ICAO Finds Russia Breached International Law
leoncastellanos.com, July 17, 2025.
Transparency in European Arms Exports: Access to Information and Accountability
Jennifer Bunnik, Ana Gobillon, Jiaxin Li, Jan Melck and Zia Wendt, University of Amsterdam Law Clinic on Access to Justice for Wrongful Arms Transfers (Supervisor), June 30, 2025. ISBN: 9789067043748.
SCOTUS Rules for Gun Manufacturers in Mexico Suit But Denies Blanket Immunity
Just Security, June 23, 2025. Republished with permission in Transnational Litigation Blog on June 25, 2025.
The responsibility of gunmakers doesn’t end at the factory gate
El País, interview with Marisol Jiménez, June 10, 2025. ISSN: 1576-3757.
La responsabilidad de las armerías no termina en la puerta de su fábrica
El País, interview with Marisol Jiménez, June 10, 2025. ISSN: 1576-3757.
Minorities, refugees and human rights
(with Momchil Milanov) in Robert Kolb and Momchil Milanov (eds), The Cambridge History of International Law, Vol. X: International Law at the Time of the League of Nations (1920-1945), General editor Randall Lesaffer, Cambridge, Cambridge University Press (2025) 501-554. DOI: https://doi.org/10.1017/9781108633963.018.
A Well-known Stranger: André Mandelstam – From Empire to Human Rights
(with Momchil Milanov), European Journal of International Law, Vol. 36, Issue 1 (2025) 263-270. DOI: 10.1093/ejil/chaf020
The Right to a Remedy for Wrongful European Arms Exports: Minding the Accountability Gap?
(with Antonio Guzmán Mutis), The George Washington International Law Review, Vol. 56, Issue 3 (2025) 277-294. ISSN: 1534-9977.