Peter Joyce is Visiting Professor in Criminology at Glyndwr University. He is widely published in Criminology and Politics,<wbr> specializing in policing and the policing of protest. His recent works include The Policing of Protest,<wbr> Disorder and International Terrorism in the UK since 1945 (Palgrave,<wbr> 2016) and Criminal Justice: An Introduction (Routledge,<wbr> 2017,<wbr> 3 ed).