Christian Kaunert is Professor of International Security at Dublin City University, Ireland. He is also Professor of Policing and Security, as well as Director of the International Centre for Policing and Security at the University of South Wales. In addition, he is Jean Monnet Chair, Director of the Jean Monnet Centre of Excellence and Director of the Jean Monnet Network on EU Counter-Terrorism (www.eucter.net). Giselle Bosse is Associate Professor and Jean Monnet Chair in EU International Relations at the Faculty of Arts and Social Sciences, Maastricht University. She is also a fellow at the European Democracy Hub in Brussels. Alena Vieira is Integrated Member of CICP/UMinho and Assistant Professor at the Department for Political Science of the School of Economics and Management of the University of Minho.