Jerry H. Ratcliffe BSc PhD FRGS
Dept of Criminal Justice
Gladfelter Hall (5th Floor)
1115 W Berks Street
Philadelphia PA 19122
(215) 204 1671
(215) 204 3872
2010-current: Director, Center for Security and Crime Science, Temple University Philadelphia
2008-current: Professor, Department of Criminal Justice, Temple University, Philadelphia
CJ0812 Criminal Behavior
CJ2101 Introduction to Law Enforcement
CJ4101 Issues in Law Enforcement
CJ8232 Geographic Perspectives on Crime
2003-2008: Associate Professor, Department of Criminal Justice, Temple University, Philadelphia 2002-2003: Senior research analyst, Australian Institute of Criminology 1999-2002: Lecturer in Policing, School of Policing Studies, NSW Police College, Charles Sturt University Course coordinator for Graduate Certificate/Graduate Diploma in Criminal Intelligence Subject coordinator for JST448 Intelligence Theory and Practice Subject coordinator for JST449 Intelligence Research and Analysis Subject coordinator for JST478 Crime Mapping
Subject coordinator for JST453 Crime in the Modern Age
Academic coordinator for Australia's National Strategic Intelligence Course 2001-2002: Research analyst, Australian Institute of Criminology (Part-time) 2001-2002: Visiting Assistant Professor, Department of Criminal Justice, Temple University, Philadelphia CJ102 Introduction to Law Enforcement
CJ633 Communities and Crime
CJ632 Geographical Perspectives on Crime
1996-1999: Tutorial assistant, School of Geography, University of Nottingham PhD - May 1999. Title: The genius loci of crime: Revealing associations in time and space. 1993-1996: BSc (Hons.) Geography, first class, University of Nottingham Dissertation : The relationship between crime patterns and social factors in South-East Nottingham. 1984-1993 Police officer, Metropolitan Police (London, UK)
1991-1993 Diplomatic Protection Group - Officer with central London armed protection unit.
1985-1991 Limehouse division, East London. Uniform officer based at Limehouse division in Tower Hamlets.
1984-1985 Police cadet, Hendon.
Strategic Thinking in Criminal Intelligence (2009) Federation Press: Sydney [Ed.] Second edition. Details.. Intelligence-Led Policing (2008) Willan Publishing: Cullompton. Details.. Policing Street Level Drug Markets: Geographic Approaches to Crime Reduction (2005)
Criminal Justice Press: Monsey, NY. (with G. Rengert and S. Chakravorty) Details..
GIS and Crime Mapping (2005) Wiley: London (with S. Chainey) Details.. Strategic Thinking in Criminal Intelligence (2004) Federation Press: Sydney [Ed.] Details..
Refereed publications & book chapters
Many of the following papers are available to download in PDF format on this page.
Wood, JD, Sorg, ET, Ratcliffe, JH, Groff, ER, Taylor, CJ (in press) Cops as treatment providers: Realities and ironies of police work in a foot patrol experiment, Policing and Society. Sorg, ET, Haberman, CP, Ratcliffe, JH, & Groff, ER (in press) Foot patrol in violent crime hot spots: Longitudinal impacts of deterrence and post treatment effects of displacement, Criminology.
Groff, ER, Johnson, L, Ratcliffe, JH & Wood, JD (in press) Exploring the relationship between foot and car patrol in violent crime areas, Policing: An International Journal of Police Strategies and Management.
Ratcliffe, JH (2012) The spatial extent of criminogenic places on the surrounding environment: A change-point regression of violence around bars, Geographical Analysis, 44(4): 302-320. Wyant, BR, Taylor, RB, Ratcliffe, JH & Wood, J (2012) Deterrence, firearm arrests, and subsequent shootings: A micro-level spatio-temporal analysis, Justice Quarterly, 29(4): 524-545. Haberman, CP & Ratcliffe, JH (2012) The predictive policing challenges of near repeat armed street robberies, Policing: A Journal of Policy and Practice. Ratcliffe, JH, Taniguchi, T, Groff, E & Wood, J (2011) The Philadelphia Foot Patrol Experiment: A randomized controlled trial of police patrol effectiveness in violent crime hotspots, Criminology, 49(3): 795-831. Ratcliffe, JH & Breen, C (2011) Crime diffusion and displacement: Measuring the side effects of police operations, Professional Geographer, 63(2): 230-243.
Taniguchi, TA, Ratcliffe, JH & Taylor, RB (2001) Gang set space, drug markets, and crime around drug corners in Camden, Journal of Research in Crime and Delinquency, 48(3): 327-363.
Ratcliffe, JH (2010) The spatial dependency of crime increase dispersion, Security Journal, 23(1), 18-36.
Ratcliffe, J. H., & Walden, K. (2010). State police and the fusion center: A study of intelligence flow to and from the street. IALEIA Journal, 19(1), 1-19.
Ratcliffe, JH (in press) ‘Intelligence-led policing: Anticipating risk and influencing action', in Marilyn B. Peterson, MB, Bob Morehouse and Richard Wright (Eds) INTELLIGENCE 2010: Revising the Basic Elements, IALEIA.
McCord, ES and Ratcliffe, JH (2009) Intensity value analysis and the criminogenic effects of land use features on local crime patterns, Crime Patterns and Analysis, 2(1), 17-30.
Ratcliffe, JH (in press) ‘Crime mapping: Spatial and temporal challenges', in Weisburd, D, and Piquero, A. (Eds) Quantitative Criminology , Springer, pages 5-24.
Ratcliffe, JH, Taniguchi, T & Taylor, RB (2009) The crime reduction effects of public CCTV cameras: A multi-method spatial approach, Justice Quarterly, 26(4), 746-770.
Ratcliffe, JH and Taniguchi, T. (2008) Is crime higher around drug-gang street corners? Two spatial approaches to the relationship between gang set spaces and local crime levels, Crime Patterns and Analysis , 1(1): 23-46.
Ratcliffe, JH (2008) ‘Intelligence-Led Policing', in Wortley, R, and Mazerolle, L. (Eds) Environmental Criminology and Crime Analysis , Willan Publishing; 263-282.
Townsley, M, Johnson , SD and Ratcliffe, JH (2008) Space time dynamics of insurgent activity in Iraq , Security Journal , 21(3): 139-146.
Ratcliffe, JH & Guidetti, R (2008) State police investigative structure and the adoption of intelligence-led policing, Policing: An International Journal of Police Strategies and Management. Volume 31, issue 1: 109-128. Ratcliffe, J.H. (2008) 'Knowledge management challenges in the development of intelligence-led policing', in T. Williamson (Ed) The Handbook of Knowledge-Based Policing: Current Conceptions and Future Directions (Chichester: John Wiley and Sons). Pages 205-220.
McCord, ES, Ratcliffe, JH, Garcia, RM & Taylor, RB (2007) Nonresidential crime attractors and generators elevate perceived neighborhood crime and incivilities, Journal of Research in Crime and Delinquency. Volume 44, issue 3: 295-320.
Ratcliffe, JH & Rengert, GF (2008) Near repeat patterns in Philadelphia shootings, Security Journal. Volume 21, issue 1-2: 58-76. Taylor, RB, Ratcliffe, J.H., Dote, L., and Lawton, B. (2007) Roles of neighborhood race and status in the middle stages of jury selection, Journal of Criminal Justice. Volume 35, issue 4: 391-403
Johnson, SD, Bernasco, W, Bowers, KJ, Elffers, H, Ratcliffe, JH, Rengert, GF and Townsley, M (2007) Space-Time Patterns of Risk: A Cross National Assessment of Residential Burglary Victimization.
Journal of Quantitative Criminology , Volume 23, issue 3: 201-219.
McCord, ES & Ratcliffe, JH (2007) A Micro-spatial analysis of the demographic and criminogenic environment of drug markets in Philadelphia, Australian and New Zealand Journal of Criminology. Volume 40, issue 1: 43-63.
Ratcliffe, J.H. (2006) 'Vehicle crime mapping'. In Stauffer, E. and Bonfanti, M (Editors), Forensic Investigation of Stolen-Recovered and Other Crime-Related Vehicles , Academic Press, pp. 521-542. Ratcliffe, JH (2006) Video surveillance of public places, Problem Oriented Guides for Police, Response Guides Series, No. 4. Office of Community Oriented Policing Services (COPS office), US Department of Justice; Washington DC. Ratcliffe, JH (2006) A temporal constraint theory to explain opportunity-based spatial offending patterns,
Journal of Research in Crime and Delinquency. Volume 43, issue 3: 261-291.
Ratcliffe, JH (2005) The effectiveness of police intelligence management: A New Zealand case study
Police Practice and Research. Volume 6, issue 5: 435-451.
Walsh, P & Ratcliffe, JH (2005) Strategic criminal intelligence education: A collaborative approach,
Journal of the International Association of Law Enforcement Intelligence Analysts, Volume 16 Issue 2: 152-166.
Ratcliffe, J.H., Biles, D., Green, T. and Miller, S. (2005) Drug-related complaints against police: some findings from a New South Wales study
Policing: An International Journal of Police Strategies and Management, Volume 28 Issue 1: 69-83.
Ratcliffe, JH (2005) Detecting spatial movement of intra-region crime patterns over time
Journal of Quantitative Criminology. Volume 21 Issue 1: 103-123.
Ratcliffe, JH and Makkai, T. (2004) Diffusion of benefits: evaluating a policing operation
Trends and Issues in Crime and Criminal Justice, Paper 278, July 2004.
Ratcliffe, JH (2004) Crime mapping and the training needs of law enforcement
European Journal on Criminal Policy and Research.Volume 10 Issue 1: 65-83.
Makkai, T, Ratcliffe, JH, Veraar, K, & Collins, L. (2004) ACT Recidivist Offenders
Research and Public Policy Series, Study no. 54, 83 pages.
Ratcliffe, JH (2004) The Hotspot Matrix: A framework for the spatio-temporal targeting of crime reduction
Police Practice and Research.Volume 5 Issue 1: 5-23.
Ratcliffe, JH (2004) Geocoding crime and a first estimate of a minimum acceptable hit rate
International Journal of Geographical Information Science, Volume 18 Issue 1: 61-72.
Ratcliffe, JH (2003) Intelligence led policing
Trends and Issues in Crime and Criminal Justice, Paper 248, April 2003.
Ratcliffe, JH (2003) Suburb boundaries and residential burglars
Trends and Issues in Crime and Criminal Justice, Paper 246, March 2003.
Ratcliffe, JH (2002) Damned if you don't, damned if you do: Crime mapping and its implications in the real world
Policing & Society, Volume 12 Issue 3: 211-225.
Ratcliffe, JH (2002) Burglary reduction and the myth of displacement
Trends and Issues in Crime and Criminal Justice, Paper 232, August 2002.
Ratcliffe, JH (2002) Intelligence-led policing and the problems of turning rhetoric into practice
Policing & Society, Volume 12 Issue 1: 53-66.
Ratcliffe, JH (2002) Aoristic signatures and the temporal analysis of high volume crime patterns
Journal of Quantitative Criminology, Volume 18 Issue 1: 23-43.
Ratcliffe, JH (2001) Policing urban burglary
Trends and Issues in Crime and Criminal Justice, Paper 213, August 2001.
Ratcliffe, JH (2001) On the accuracy of TIGER type geocoded address data in relation to cadastral and census areal units, International Journal of Geographical Information Science, Volume 15 Issue 5: 473-485. Ratcliffe, JH & McCullagh, MJ (2001) Crime, repeat victimisation and GIS
In:Mapping and Analysing Crime Data (2001) Bowers, Kate & Hirschfield, Alex (eds.), Chapter 3, Taylor & Francis, London, pp. 61-92.
Ratcliffe, JH & McCullagh, MJ (2001) Chasing Ghosts? Police perception of high crime areas
British Journal of Criminology, Volume 41 Issue 2: 330-341.
Ratcliffe, JH (2000) Aoristic analysis: the spatial interpretation of unspecific temporal events
International Journal of Geographical Information Science, Volume 14 Issue 7: 669-679.
Ratcliffe, JH (2000) Implementing and integrating crime mapping into a police intelligence environment
International Journal of Police Science and Management, Volume 2 Issue 4: 313-323.
Dupont, B. & Ratcliffe, JH (2000) Juste des punaises sur une carte?: Quelques considérations critiques sur la cartographie criminelle, Les Cahiers de la Securite Interieure, Volume 41: 229-243. Ratcliffe, JH & McCullagh, MJ (1999) Hotbeds of crime and the search for spatial accuracy
Journal of Geographical Systems, Volume 1 Issue 4: 385-398.
Ratcliffe, JH & McCullagh, MJ (1999) Burglary, Victimisation, and Social Deprivation
Crime Prevention and Community Safety: An International Journal, Volume 1 Issue 2: 37-46.
Ratcliffe, JH & McCullagh, MJ (1998) The perception of crime hotspots: A spatial study in Nottingham, UK. In:Crime Mapping Case Studies: Successes in the Field (1998) LaVigne, Nancy and Wartell, Julie (Eds.), Chapter 6, PERF/Crime Mapping Research Center, Washington DC. Ratcliffe, JH & McCullagh, MJ (1998) Aoristic crime analysis
International Journal of Geographical Information Science, Volume 12 Issue 7: 751-764.
Ratcliffe, JH & McCullagh, MJ (1998) Identifying repeat victimisation with GIS
British Journal of Criminology, Volume 38 Issue 4: 651-662.
Many of these papers above are available to download in PDF format on this page.
A number of other publications are being reviewed or are in preparation.
Fellow of the Royal Geographical Society
Member of the Australian and New Zealand Society of Criminology
Member of the American Society of Criminology
Member of the International Association of Law Enforcement Intelligence Analysts
Member of the International Association of Crime Analysts