Jerry Ratcliffe is a former British police officer, college professor, and host of the Reducing Crime podcast. 


His research focuses on evidence-based policing, and he works with police agencies around the world on crime reduction and criminal intelligence strategy. After an ice-climbing accident ended a decade-long career with London’s Metropolitan Police, he earned a first class honors degree and a PhD from the University of Nottingham. He has published over 90 research articles and nine books, including most recently “Reducing Crime: A Companion for Police Leaders”.

Ratcliffe has been a research adviser to the FBI and the Philadelphia Police Commissioner, an instructor for the ATF intelligence academy, and he is a member of the FBI Law Enforcement Education and Training Council. He is a professor in the Department of Criminal Justice at Temple University in Philadelphia, USA. 



Weisburd, D., Majmundar, M. K., Aden, H., Braga, A., Bueermann, J., … Ratcliffe, J., Tyler, T. (in press). Proactive policing: A summary of the report of the National Academies of Sciences, Engineering, and Medicine. Asian Journal of Criminology.

Proactive policing

No. 73

Ratcliffe, JH, Taylor, RB, & Fisher, R (in press) Conflicts and congruencies between predictive policing and the patrol officer’s craft, Policing and Society.

Predictive policing

No. 72

Ratcliffe, JH & Kikuchi, G (in press) Harm-focused offender triage and prioritization: A Philadelphia case study, Policing: An International Journal.

Harm-focused policing

No. 71


Oregon POP Conference, Salem OR, January 2020
Western Society of Criminology, Phoenix, AZ, February 2020


Police Commander's Crime Reduction Course, Salem, OR
7-9 January 2020
Police Commander's Crime Reduction Course, Paramus, NJ
28-30 January 2020
Police Commander's Crime Reduction Course, St. Petersburg
10-12 February 2020
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