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In this paper we examine the diffusion of computerized crime mapping drawing upon a more general approach to the ‘diffusion of innovations’ pioneered by Everett Rogers in 1995. We use data from the Law Enforcement Management and Administrative Statistics (LEMAS) survey and the Crime Mapping Research Center at the National Institute of Justice to define the basic pattern of adoption of computerized crime mapping in larger American police agencies. As we illustrate in our paper, these surveys suggest that larger police agencies have adopted computerized crime mapping at a rapid pace. We supplement these data with a pilot study of adoption of computerized crime mapping that shows a continuing rapid adoption curve through 2001, and that illustrates that crime mapping innovation follows a period of crisis of confidence in standard American police practices. We also find that the widespread adoption of computerized crime mapping follows research evidence regarding the effectiveness of hot spots policing approaches, and is linked strongly to those approaches in police agencies with computerized crime mapping capabilities. Following the diffusion of innovation literature more generally, we show that there is a significant relationship between the likelihood of early adoption of computerized crime mapping and knowledge of research and interaction with the research community.
Weisburd et al. (2005) studied this question.