Permanent and transitory crime risk in variable-density hot spot analysis

• URL: http://arxiv.org/abs/2512.07467v1
• Date: Mon, 08 Dec 2025 11:48:50 GMT
• Title: Permanent and transitory crime risk in variable-density hot spot analysis
• Authors: Ben Moews,
• Abstract summary: We perform a variable-density cluster analysis on crime incident reports in the City of Chicago for the years 2001--2022.<n>We study the evolution of crime type shares in clusters over the course of two decades.
• Score: 0.0
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Crime prevention measures, aiming for the effective and efficient spending of public resources, rely on the empirical analysis of spatial and temporal data for public safety outcomes. We perform a variable-density cluster analysis on crime incident reports in the City of Chicago for the years 2001--2022 to investigate changes in crime share composition for hot spots of different densities. Contributing to and going beyond the existing wealth of research on criminological applications in the operational research literature, we study the evolution of crime type shares in clusters over the course of two decades and demonstrate particularly notable impacts of the COVID-19 pandemic and its associated social contact avoidance measures, as well as a dependence of these effects on the primary function of city areas. Our results also indicate differences in the relative difficulty to address specific crime types, and an analysis of spatial autocorrelations further shows variations in incident uniformity between clusters and outlier areas at different distance radii. We discuss our findings in the context of the interplay between operational research and criminal justice, the practice of hot spot policing and public safety optimization, and the factors contributing to, and challenges and risks due to, data biases as an often neglected factor in criminological applications.

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