Geographic profiling? rbbm.
Geographic Profiling
''The Brentingham model suggests that
we all have an 'activity space' related to the areas in which we live, work and play and that this activity space produces a discernible pattern of movement around the city.
In relation to criminal activity, therefore, it follows that
an offender has to know about a particular geographical area before he or she begins selecting crimes to commit; and where the offenders movement patterns intersect within this geographical area, will to a large extent determine where the crime takes place.''
The Use of Geographic Profiling in Crime Analysis - Crime Mapping & Analysis News
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'Geographic profiling is the process of determining the most probable area of an offender’s base of activities through an analysis of his or her crime locations (Rossmo, 2000). It is used most often in investigations of serial crimes. This technology assists law enforcement by focusing limited resources, resulting in the apprehension of the offender faster with less time spent and resources expended, and fewer victims. In large investigations, these savings can be significant (Velarde, 2004).
Research has shown that the most important influence on where criminals offend is where they go during their non-criminal activities (Bennett & Wright, 1984). This can be represented through a mathematical model.
Geographic profiling focuses the search for suspects using a combination of environmental criminology theory, research on offender spatial behavior, and mathematics, which has been incorporated into geographic profiling software called Rigel by Environmental Criminology Research Inc. (
http://ecricanada.com/products/rigel-workstation/).
Rigel uses an algorithm called criminal geographic targeting (CGT) to create a geo-profile, a two-dimensional probability surface that overlays on a street map and shows the most probable areas for the offender’s base (Rossmo, 2013). The geo-profile map normally uses color to represent probability. While this may initially look similar to a hot-spot map of the crimes, it is actually showing different information: where the offender is likely based rather than where they commit their crimes.''