Mobility Triangles Revisited: An Ecological Analysis of a Spatial Typology of Homicide

George Tita, University of California, Irvine
Jacqueline Cohen, Carnegie Mellon University

This research explores the usefulness of a spatial typology of homicide based upon the location of the event and the residences of victim and offender. Relying on several theoretical frameworks, notably social disorganization and routine activities, the research examines whether there are important differences in structural and econological factors of neighborhoods that produce victims offenders and incidents. Using micro-level homicide from several cities, we also examine the spatial distribution of homicide - categorized by the typology - to determine if certain "types" of homicides occur in ecologically distinct neighborhoods. The extent to which other defining features of homicides such as motive, victim-offender relationship, gang-involvement and drug-involvement overlap with the typology will also be reported.

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Updated 05/20/2006