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Evidence-based policing (EBP) by its original definition is “the use of the best available research on the outcomes of police work to implement guidelines and evaluate agencies, units, and officers.” Since then, the definition of EBP has been evolving, with academics adjusting the definition to better fit how police and researchers apply research in the field. EBP is best described as an approach to law enforcement and public safety. It involves the application of empirical research, scientific methods, and data-driven decision-making to policing practices, strategies, and policies. The term “evidence-based” is borrowed from the field of medicine and has been adapted to various disciplines, including education, social work, and, in this case, policing. An EBP approach emphasizes the following: 1. Use of research and data: Implementing strategies and practices shown to be effective through rigorous research. 2. Evaluation and adaptation: Continuously assessing the effectiveness of policing methods and making adjustments based on empirical evidence. 3. Scientific methodology: Applying the principles of scientific inquiry to test the effectiveness of different policing strategies. EBP is a practical approach that integrates scientific research into police work to improve outcomes, decision-making, and policy development in law enforcement. This approach has slowly begun to create a shift in both academics’ and practitioners’ points of view. When a paradigm shift occurs in a scientific discipline, there is always a period before the shift occurs where the definitions and parameters of the discipline are ambiguous. A paradigm shift refers to a fundamental change in the underlying assumptions or dominant methodologies within a given scientific discipline or more broadly in any intellectual field or approach. This concept was popularized by philosopher and historian of science Thomas Kuhn in his 1962 book, The Structure of Scientific Revolutions. Paradigm shifts can initially face resistance until the new paradigm becomes widely accepted and mainstream. In essence, a paradigm shift is not just a small modification or improvement, but a complete overhaul of the foundational principles and methods in a particular field, leading to a new way of thinking and understanding. As EBP developed from evidence-based medicine, it has followed the same developmental trajectory of changes in definition and application, resistance to adoption, advocates and critics of the approach, and the development of societies to assist with incorporation of practices by police departments. EBP is different from other disciplines such as criminology or crime science, as the core of EBP is to use rigorous research methodologies to test policing practices in the field. The reason for this approach is to determine whether policing practices “work” under real-life circumstances rather than just theoretically. Additionally, EBP advocates argue that rigorous testing is a better approach to serving the public than having officers use anecdotes to drive practices. EBP is an approach that not all academics or practitioners agree with, but it is one way of determining the causal effects of a policing practice.

Place management theory—a part of routine activity theory—explains why a relatively few places have a great deal of crime while most places have little or no crime. The explanation is the way place managers carry out their four primary functions: organization of space, regulation of conduct, control of access, and acquisition of resources. Place managers are those people and organizations that own and operate businesses, homes, hotels, drinking establishments, schools, government offices, places of worship, health centers, and other specific locations. They can even operate mobile places such as busses, trains, ships, and aircraft. Some are large—a multi-story office tower for example—while others are tiny—a bus stop, for example. Place managers are important because they can exercise control over the people who use these locations and in doing so contribute to public order and safety. Consequently, it is important to understand place management, how it can fail, and what one can do to prevent failures. Place management has implications beyond high-crime sites. When crime places are connected, they can create crime hot spots in an area. The concentration of high crime places can inflate crime in a neighborhood. Moreover, place management can be applied to virtual locations, such as servers, websites, and other network infrastructures. There is considerable evaluation evidence that place managers can change high crime locations to low crime locations. Research also shows that displacement to other places, though possible, is far from inevitable. Indeed, research shows that improving a high crime place can reduce crime at places nearby places. Although much of this research has studied how police intervene with place managers, non-police regulatory agencies can carry out this public safety function.