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                            Library & Multimedia
 A new mathematical technique for geographic profiling
NCJ Number
              305961

Author(s)
          Mike O’Leary
Date Published

February 2023
Annotation
              In this work, the authors developed a fundamentally new mathematical framework for the geographic profiling problem.
Abstract
              The primary question in geographic profiling is, given the locations of a series of crimes committed by the same serial offender, to estimate the location of that offender’s anchor point. Currently, there are three main approaches to the problem, exemplified by the three software systems- CrimeStat, Dragnet, and Rigel. Though the details of the approaches taken by these software packages differ, they share a common mathematical heritage. The authors developed a fundamentally new mathematical framework for the geographic profiling problem. Our mathematical approach to this problem is based on Bayesian inference and begins with the explicit ansatz that the offender’s choice of targets depends only on (1) the distance between the target and the offender’s anchor point, and (2) local geographic features of the target location. The algorithm requires a representative list of historical crimes of the same type as the series; this is used to estimate the local target attractiveness. This mathematical model has been implemented in software. (Published abstract provided)
      
  
          Additional Details
Grant Number(s)
        2005-IJ-CX-K036


  
  
        
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        NIJ-Sponsored


  
  
        
  Award
        Determining an Optimal Police Search Area for a Serial Criminal
    
  
  
Date Published: February 12, 2023
    
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