Sonja Wolf holds a PhD in International Politics (Aberystwyth University) and is a Cátedra CONAHCYT Researcher in Mexico. Her research interests focus on violence, security, gangs, 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.