#11594. Environmental Factors Influencing Urban Homicide Clearance Rates: A Spatial Analysis of New York City

August 2026publication date
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Abstract:
In this paper, we explore the conditions under which clearance rates improve by looking at the experience of one of the cities. Using one agency provides a control on the administrative differences that appear across other jurisdictions that have been studied, usually through cross-national analysis. Our analysis uses Risk Terrain Modeling (RTM) to identify environmental features that relate to closed versus open homicide cases using two years of Police Department data. This analysis is supplemented with an investigation of precinct-wide social structure variables to examine how context matters in influencing closure rates.
Keywords:
crime mapping; homicide clearance; police investigation; prevention; risk terrain modeling

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