Angelyn Spaulding Flowers is a computational social scientist and Division Chairperson for Social and Behavioral Sciences at the University of the District of Columbia. She is a Professor of Crime, Justice, and Security Studies, Founding Director of the graduate Homeland Security program, and Co-Founder and Director of the Institute for Public Safety and Justice. Her research applies complex systems frameworks and computer simulations to study crime, terrorism, radicalization, and social destabilization. She is the author of White Christian Nationalism in the United States: A Rising Tide Sinks All Boats and lead author of Twenty Years of School-Based Mass Shootings in the United States: Columbine to Santa Fe. Her federally funded work with DHS and FEMA focuses on critical infrastructure, terrorism, and climate impacts on emergency management, and her national training programs have reached over 1,200 emergency managers.