The Institute of Criminology holds an annual international conference on Evidence Based Policing, Chaired by Professor Lawrence Sherman in association with the Society for Evidence Based Policing (SEBP). The 11th conference was held at the Sidgwick site at the Faculty of Law, University of Cambridge, on 9-11 July 2018. This talk: 'Tracking and Measuring Procedural Justice & Legitimacy' Chair: Dr Justice Tankebe, University of Cambridg Arif Nawaz, Greater Manchester Police: 'Measuring Procedural Justice With Body-Cam Samples” Jan Larsen, Danish Police: 'Tracking Self-Legitimacy Among Danish Police Recruits: A Panel Survey' Peter Blichfeldt, Danish Police: 'Varieties of Reactions to Becoming a Police Officer: Tracking the first 3 Years' Discussion: Dr Tankebe moderating