Peter Millward is Professor of Contemporary Sociology at Liverpool John Moores University, UK. His main research interests are in the areas of sport, social movements, cultural relational sociology and, here, critical approaches to understanding crime, criminality and harm. He has undertaken several research projects funded by the UKRI and European Commission. He is joint editor of the Routledge book series, Critical Research in Football and serves on the editorial board of a number of internationally leading journals, including Sociology. Jan Andre Lee Ludvigsen is Senior Lecturer in International Relations and Politics with Sociology at Liverpool John Moores University, UK. Broadly, his main research areas are within the social and political study of sport and his research on sport mega-events, security, risk and fandom has been published in journals such as the International Review for the Sociology of Sport, Journal of Consumer Culture, Leisure Studies and Journal of Sport and Social Issues. He has also authored Sport Mega-Events, Security and Covid-19: Securing the Football World (Routledge, 2022). Jonathan Sly is Lecturer in Applied Criminology at Canterbury Christ Church University, UK. His research interests focus on contemporary manifestations of aggressive masculinity. This includes sports-related violence and associated subcultures globally, subjective inter-personal violence and street culture in late-modern Britain, and the links between transgressive practices and social class in the contemporary era. He also has a broader academic interest in the social scientific analysis of crime and deviance, contemporary illicit substance markets and consumer culture, sport management and sports fandom, reflexive and biographical qualitative research methodologies, and critical debates and new directions in criminological theory.