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Article

David Weisburd and Sean Wire

Hot spots of crime, and the criminology of place more generally, deviate from the traditional paradigm of criminology, in which the primary assumption and goal is to explain who is likely to commit crime and their motivations, and to explore interventions aimed at reducing individual criminality. Alternatively, crime hot spots account for the “where” of crime, specifically referring to the concentration of crime in small geographic areas. The criminology of place demands a rethinking in regard to how we understand the crime problem and offers alternate ways to predict, explain, and prevent crime. While place, as large geographic units, has been important since the inception of criminology as a discipline, research examining crime concentrations at a micro-geographic level has only recently begun to be developed. This approach has been facilitated by improvements to data availability, technology, and the understanding of crime as a function of the environment. The new crime and place paradigm is rooted in the past three decades of criminological research centered on routine activity theory, crime concentrations, and hot spots policing. The focus on crime hot spots has led to several core empirical findings. First, crime is meaningfully concentrated, such that a large proportion of crime events occur at relatively few places within larger geographies like cities. This may be termed the law of crime concentration at places (see Weisburd, 2015). Additionally, most hot spots of crime are stable over time, and thus present promising opportunities for crime prevention. Crime hot spots vary within higher geographic units, suggesting both that there is a loss of information at higher levels of aggregation and that there are clear “micro communities” within the larger conceptualization of a neighborhood. Finally, crime at place is predictable, which is important for being able to understand why crime is concentrated in one place and not another, as well as to develop crime prevention strategies. These empirical characteristics of crime hot spots have led to the development of successful police interventions to reduce crime. These interventions are generally termed hot spots policing.

Article

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.

Article

For the last 20 years, research based on the idea that opportunities for crime are related to specific times and places has informed crime-control policies in nighttime entertainment districts. In order to examine crime in these areas, many studies have relied on large data sets that associate city- and neighborhood-level factors with crime and delinquency. These studies have helped us understand the importance of environmental and situational factors, as well as the impact of changes in legislation and regulations to control alcohol availability (e.g., reducing the density of alcohol outlets and trading hours) and the implementation of interventions in licensed premises to reduce intoxication and disorder. However, when informing crime-control policies, the use of alternative methods to examine entertainment districts, such as naturalistic observations, can be vital. Because nighttime entertainment districts are extremely complex environments, observation is useful to examine and identify situational factors and local dynamics that increase or decrease the opportunities for crime in specific places. Observational methods can be particularly useful to understand the context in which criminal behavior and aggressive incidents occur, the interplay of situational risk factors specific to a public drinking environment, and the social and cultural factors (e.g., the relationship between police, staff, and customers) that can facilitate or challenge the implementation of crime-control strategies in these multifaceted contexts. Naturalistic observation is a data-collection method that involves accessing the field to systematically record and describe features of the space, people’s characteristics and patterns of movement, individual behaviors, and exchanges between actors in natural settings. It can be used in both quantitative and qualitative designs, although in different ways. In entertainment districts, researchers have used this method to understand crimes that are underreported and underregistered, such as sexual harassment, and to study patrons’ behaviors in licensed premises and surrounding streets, as well as staff management practices and control strategies. While they have some limitations, such as the fact that information is filtered by what observers see and how they interpret events, observation methods can uniquely contribute to the development of crime-control policies in entertainment districts by focusing on specific situational and cultural factors relating to violence and crime at a local level, as well as suggesting differentiated responses to the types of incidents that take place in these settings.