Hannah Croft works at the Royal United Services Institute for Security and Defence (RUSI) in Whitehall, London. She has a BA (Hons) in International History and Politics from the University of Leeds, as well as a Masters with Distinction in Security, Terrorism and Insurgency. Her thesis examined the conflict between pre and postmoderns in the Mexican criminal insurgency, and was published in the Leeds POLIS Journal (2014). Before joining RUSI, Hannah was a Research Assistant at the Terrorism and Political Violence Association (TAPVA), with her profile on the guerrilla war in Colombia later being published in the Security Studies textbook Terrorism and Political Violence in 2015 (SAGE Publications). Her research interests focus primarily on Mexican and Central and South American drug violence, as well as gang warfare, urban resilience, and theories of postmodernity.