Sonja Wolf holds a PhD in International Politics (Aberystwyth University). She is a Cátedra CONAHCYT Researcher with the Facultad Latinoamericana de Ciencias Sociales (FLACSO), Mexico. Her research interests focus on violence, security, and migration, especially in Mexico and Central America. She is the author of Mano Dura: The Politics of Gang Control in El Salvador (University of Texas Press, 2017). Her audiovisual work includes The Vertical Border (Mexico, 2022), a feature documentary on forced migration, and Collateral (Mexico, 2024), a fiction short film on military mental health.