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| title | chunk | source | category | tags | date_saved | instance |
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| Evidence-based policing | 1/2 | https://en.wikipedia.org/wiki/Evidence-based_policing | reference | science, encyclopedia | 2026-05-05T07:00:41.335830+00:00 | kb-cron |
Evidence-based policing (EBP) is an approach to policy making and tactical decision-making for police departments. It has its roots in the larger movement towards evidence-based practices. Advocates of evidence-based policing emphasize the value of statistical analysis, empirical research, and ideally randomized controlled trials. EBP does not dismiss more traditional drivers of police decision-making, but seeks to raise awareness and increase the application of scientific testing, targeting, and tracking of police resources, especially during times of budget cuts and greater public scrutiny.
== Origins == Experiments had been used in earlier decades to find better policing methods, before Lawrence Sherman first outlined a definition of "evidence-based policing" in 1998. The Police Foundation was founded in 1970. In 1971-72 the Police Foundation worked with the Kansas City Police Department to carry out a landmark study on patrol cars in what is known as the Kansas City preventive patrol experiment. In the early 1980s, Sherman worked with Richard Berk and the Police Foundation to carry out the Minneapolis Domestic Violence Experiment. The study showed that arresting domestic violence suspects was a deterrent against repeat offending. The study had a "virtually unprecedented impact in changing then-current police practices." Sherman later worked with fellow criminologist David Weisburd for a 1995 study which showed the efficacy of focusing police crime prevention resources on small hot spots of crime. In a 1998 Police Foundation "Ideas in American Policing" lecture, Sherman outlined the concept of "evidence-based policing". His core idea was that police practice can be made far more effective if tactics proven to work during controlled field experiments are prioritized. Angel Cabrera later described Sherman as the "father" of evidence-based policing.
=== Societies of Evidence Based Policing ===
In February 2000, Sherman co-founded the Campbell Collaboration's Crime and Justice Group, which has pursued the synthesis of research evidence on the effectiveness of policing and other crime prevention practices. In 2013 Sherman established the Cambridge Centre for Evidence-Based Policing as a global police training and research consultancy service for members, and in 2017 he launched the Cambridge Journal of Evidence-Based Policing as the membership journal of the Cambridge Centre. The journal's priority is to publish original, applied research led by "pracademic" police officers, with many articles based on master's degree theses completed under supervision of Sherman and his Cambridge colleagues, Heather Strang and Sir Denis O'Connor, by police leaders who were mid-career, part-time students in the Cambridge Police Executive Programme.
The first professional Society of Evidence-Based Policing was founded at Cambridge University in 2010, and now has some 2,000 members from mostly UK police agencies. In 2013, police in collaboration with the University of Queensland established the Australian-New Zealand Society of Evidence-Based Policing, which now has over 2000 members. In 2015, both Canada, and the United States established their own branches of this learned professional society. The Police Foundation provided support for the establishment of the American Society of Evidence-Based Policing, as it once did to create the Police Executive Research Forum (PERF) and the National Organization of Black Law Enforcement Executives (NOBLE).
== United Kingdom == In 2008, Sherman made EBP the core of the Police Executive Programme at Cambridge University, a part-time course of study for senior police leaders from around the world to earn a Diploma or Master’s in applied criminology. In that year, the National Policing Improvement Agency (NPIA) funded the first international conference on EBP, which was attended by police executives from Asia, Australia, Europe and the US. Since then the conference has been held each July, with the 10th International Conference in 2017 attended by over 300 police and scholars from six continents. In 2010, a group of UK police officers founded the Society of Evidence-Based Policing, and elected Sherman Honorary President, along with Sir Peter Fahy, Chief Constable of the UK's Greater Manchester Police; as of 2015 the Society has over 2,800 members, including its 750-member Australia-New Zealand affiliate, consisting primarily UK police officers but with membership from Australia to Argentina and North America. The Society's twice-annual UK meetings have attracted over 200 attendees per meeting (including 2015), as well as press coverage. In 2012, the UK Home Office founded the College of Policing, which took over many of the responsibilities of the National Police Improvement Agency (formally abolished in 2013). One of the College's five strategic objectives is "identifying, developing and promoting good practice based on evidence". The College is committed to identifying and sharing with police practitioners "what works". In 2013, the UK's largest police force, London's Metropolitan Police Service committed to "crime fighting based on what we know works".
=== What Works Centre For Crime Reduction Toolkit === The College of Policing in the UK has created the What Works Centre for Crime Reduction, part of a network of What Works Centres created to provide easy access to robust and comprehensive evidence to guide decision-making on public spending. The Crime Reduction Toolkit is an online tool that allows users to obtain information on the evidence for and against various interventions (including their impact, cost and implementation) and use this to help shape their crime reduction efforts. The What Works Centre Crime Reduction Toolkit currently includes 35 evaluations of interventions and has identified over 300 systematic reviews covering 60 different interventions.