Sanja Kutnjak Ivković is Professor at the School of Criminal Justice, Michigan State University, USA. She is the Co-Editor of Policing: An International Journal. She is past Chair of the Division of International Criminology, American Society of Criminology, and past Chair of the International Division, Academy of Criminal Justice Sciences. Her co-authored and co-edited books on policing include: Exploring Contemporary Police Challenges, Police Code of Silence in the Times of Change, Police Integrity in South Africa, Exploring Police Integrity, Police Integrity across the World, Enhancing Police Integrity, Fallen Blue Knights, and The Contours of Police Integrity. Marijana Kotlaja is Assistant Professor in the Department of Criminal Justice and Criminology at the University of Missouri-Kansas City, USA. She is involved in evaluation research projects with many organizations, specifically focused on crime and place, and juvenile delinquency. She has led multiple international data collection efforts and has extensive knowledge of advanced quantitative methodology, including structural equation modeling, Bayesian analysis, and hierarchical linear models. She is the Secretary/Treasurer of the Division of International Criminology (American Society of Criminology), as well as the Editor of Around the Globe for the Criminologist. Jon Maskály is Assistant Professor in the Department of Criminal Justice at the University of North Dakota, USA. He won (with co-authors) the 2016 William L. Simon Outstanding Paper award from the Academy of Criminal Justice Sciences. His primary research interests revolve around issues in policing, notably police–community relations, police integrity, and police accountability. He has worked as a subject matter expert in several police reform projects around the nation. He has secured multiple contracts with police organizations to enhance their ability to make data-driven decisions. Peter Neyroud is Associate Professor in Evidence-Based Policing in the Jerry Lee Centre for Experimental Criminology, University of Cambridge, UK. He is the General Editor of the Oxford Journal Policing: A Journal of Policy and Practice. He set up and ran the UK National Policing Improvement Agency. He was commissioned by the UK Home Secretary to carry out a fundamental “Review of Police Leadership and Training,” which led to the establishment of the National “College of Policing.” He is the Co-Chair of the Campbell Collaboration Crime and Justice Coordinating Group.