He has received local, national, and international media attention for his work on street gangs, criminal networks, violence, and policing. Densley is the author of Minnesota’s Criminal Justice System (Carolina Academic Press, 2016), the award-winning How Gangs Work (Palgrave Macmillan, 2013), and over 20 refereed articles and book chapters in leading social science outlets. He is a Fellow of the Royal Society of Arts and Associate of the Extra-Legal Governance Institute at the University of Oxford, where he earned his Ph.D. in sociology.