The recent increase in the national homicide rate in the United States has generated much speculation about its causes among the media. In this article we show how two data visualization tools, funnel charts and time series fan charts, can show the typical volatility in homicide rates in...

Objectives: The group based violence intervention model is predicated on the assumption that individuals who are delivered the deterrence message spread the message to the remaining group members. We focus on the problem of who should be given the initial message to maximize the reach of the...

Purpose: To illustrate the use of the p-median model to construct optimal patrol areas. This can improve both time spent traveling to calls, as well as equalize call load between patrol areas.Design/Methodology: The paper provides an introduction to the use of integer linear programs to create...

Objectives: From 2010 through 2015, the city of Buffalo demolished over 2,000 residences. This study examines whether those demolitions resulted in crime reductions.Methods: Analysis was conducted at micro places matching demolished parcels to comparable control parcels with similar levels of...

Research applications using journey to crime (JTC) data are popular and becoming more prevalent in criminology and crime mapping analysis. JTC data present unique challenges for modeling and visualization not encountered with typical data that is only georeferenced at one point in space. This...

This paper estimates the relationship between alcohol outlets and crime at micro place street units in Washington, D.C. The analysis tests several spatial hypothesis on the local and spatial diffusion effects of on-premise and off-premise alcohol outlets on crime motivated by routine activities...

Purpose: To evaluate the effectiveness of a hot spots policing strategy: using automated license plate readers at roadblocks. Methods: Different roadblock locations were chosen by the Buffalo Police Department every day over a two month period. We use propensity score matching to identify a set...