While many of these questions are beyond the scope of this study, the research here empirically explores the place-based indications of the systemic approach. Specifically, is there an overlap between the locations of drug activity and violent crime, and how can we detect this overlap? There have been a few studies that have informed our knowledge about the spatial relationship of drugs and violence across numerous places. Braga et al. (1999), in an experiment evaluating problem-oriented policing, found that violent crime hot spots in Jersey City also had evidence of active drug markets. In some of these places,their analysis revealed that violence was directly drug market related. Also examining Jersey City, Weisburd and Green-Mazerolle (2000) aggregated drug crimes in specific street segments and intersections and found that in selected areas with high amounts of drugrelated calls for service there were also abnormally high violent crime counts. Additionally,they discovered that drug hot spots were characterized by high volumes of disorder or nuisance calls. Gainey and Payne (2003) examined crimes in Norfolk, Virginia, and found a strong, positive correlation between rates of drug and violent crimes across census block groups.
While many of these questions are beyond the scope of this study, the research here empirically explores the place-based indications of the systemic approach. Specifically, is there an overlap between the locations of drug activity and violent crime, and how can we detect this overlap? There have been a few studies that have informed our knowledge about the spatial relationship of drugs and violence across numerous places. Braga et al. (1999), in an experiment evaluating problem-oriented policing, found that violent crime hot spots in Jersey City also had evidence of active drug markets. In some of these places,their analysis revealed that violence was directly drug market related. Also examining Jersey City, Weisburd and Green-Mazerolle (2000) aggregated drug crimes in specific street segments and intersections and found that in selected areas with high amounts of drugrelated calls for service there were also abnormally high violent crime counts. Additionally,they discovered that drug hot spots were characterized by high volumes of disorder or nuisance calls. Gainey and Payne (2003) examined crimes in Norfolk, Virginia, and found a strong, positive correlation between rates of drug and violent crimes across census block groups.
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