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Led by Dr. Santtila, I did comprehensive research on crime committing distances within Finland, with a sizeable dataset covering the course of a decade across several crime types. Results: unplanned/impulsive crimes tend to be done relatively close to place of residence. Distance decay functions to be used in geographic profiling are presented for several crime types and were used in profiling. NOTE: Routledge "Psychology of Arson", page 127 has a typo, we found 0.88 km, they print 88 km.
Purpose. We aimed (1) to describe distances from home to offence locations (journey-to-crime) of offenders in difficult-to-solve homicides and rapes as well as robberies against businesses; (2) to see whether the distances in these offences differ from each other; and (3) to test whether selected features related to the offence would be associated...
Unlabelled: Residential location of a criminal can be predicted statistically [M. Laukkanen, P. Santtila, Predicting the home location of a serial commercial robber, Forensic Sci. Int. 157 (2006) 71-82]. Examined were: accuracy of the technique for urban burglary series, correlations between way of committing burglary and distance and use of those...
The results of extensive research concerning offender’s home to crime location distances in several crime types are similar: the majority of such distances are relatively short, less than 5 km (see Table 1 for a review). The phenomenon of diminishing spatial interaction as one moves away from familiar places has been named Distance Decay (Lowe & Mo...
Image has a table of empirical distance decay functions of several crime types in several Finnish cities.
We explored (1) distances between home and offence in homicides and rapes; (2) whether these distances differed from each other; and (3) whether offence features were associated with distances. The sample consisted of solved homicides (N = 40) and rapes (N = 37) from Finland with co-ordinates for offence and offender home locations and information...
Residential location of a serial offender can potentially be predicted by using models created from home to crime site journeys of solved crimes in the area [N. Levine, Journey-to-crime estimation, retrieved 23 October 2003 from http://www.icpsr.umich.edu/NACJD/crimestat/CrimeStatChapter.9.pdf, last visited 1 February 2005]. Aims of this study were...
The purpose of the study was to test the potential utility of a geographical profiling approach for three separate series of rapes committed by a single offender. Two different mathematical distance-decay functions using either a normal distribution with a mean distance and standard deviation based on previous research or a truncated negative expon...