Author Archives: Eric Piza

The Sensitivity of Repeat and Near Repeat Analysis to Geocoding Algorithms

Haberman, C., Hatten, D., Carter, J. and Piza, E. (2021) Journal of Criminal Justice, 73: 1-12 Open Access Post PrintPublished Article Study Abstract Purpose: To determine if repeat and near repeat analysis is sensitive to the geocoding algorithm used for the underlying crime incident data. Methods: The Indianapolis Metropolitan Police Department provided 2016 crime incidentContinue reading “The Sensitivity of Repeat and Near Repeat Analysis to Geocoding Algorithms”

Environmental Factors Influencing Urban Homicide Clearance Rates: A Spatial Analysis of New York City

Kennedy, L., Caplan, J., Piza, E. and Thomas, A. (2020) Homicide Studies, DOI: 10.1177/1088767920976183 Published ArticleOpen Access Post Print Abstract: In this paper, we explore the conditions under which clearance rates improve bylooking at the experience across New York City. Using one agency provides a controlon the administrative differences that appear across other jurisdictions thatContinue reading “Environmental Factors Influencing Urban Homicide Clearance Rates: A Spatial Analysis of New York City”

John Jay Research: Eric Piza is Bringing the Data on Police Reform

Police reform is everywhere in the news, and everyone has a different perspective on the issue, from activists to police practitioners to politicians. John Jay Associate Professor of Criminal Justice Dr. Eric Piza is a former crime analyst who studies both police reforms — like the impact of body-worn cameras on police effectives — andContinue reading “John Jay Research: Eric Piza is Bringing the Data on Police Reform”

Pavementpieces.com: Criminologists question what it means to “defund the police”

Cutting the NYPD police budget by $1 billion is not enough for protesters and advocacy groups, but three criminologists from the city’s John Jay College of Criminal Justice said defunding the police is not going to be easy. “Defunding the police is kind of one of those generic terms that means different things for differentContinue reading “Pavementpieces.com: Criminologists question what it means to “defund the police””

NJ.com: Police don’t have body cams in 4 of N.J.’s biggest towns. Here’s why.

State officials don’t have a current count of how many police agencies in New Jersey use body cameras, but a survey by New Jersey Advance Media found that officers in four of our 10 most-populated towns don’t have them. Police departments in New Jersey and around the nation have rushed to outfit officers with camerasContinue reading “NJ.com: Police don’t have body cams in 4 of N.J.’s biggest towns. Here’s why.”

Environmental Predictors of a Drug Offender Crime Script: A Systematic Social Observation of Google Street View Images and CCTV Footage

Sytsma, V., Connealy, N. and Piza, E. (2021) Crime & Delinquency, 67(1): 27-57. Open Access Post PrintVersion of Record Study Abstract The extent to which environmental context has been considered when developing crime scripts has been limited to descriptions of the locations offenders visit during the crime. This research contributes a description of the environmentalContinue reading “Environmental Predictors of a Drug Offender Crime Script: A Systematic Social Observation of Google Street View Images and CCTV Footage”

Measuring the Temporal Stability of Near-Repeat Crime Patterns: A Longitudinal Analysis

Hatten, D. and Piza, E. (2020) Crime & Delinquency. DOI: 10.1177/0011128720922545 Open Access Post PrintPublished Article Abstract This study investigates the temporal stability of identified near-repeat robbery patterns in Newark, New Jersey. With one noteworthy exception, scholars have yet to explore the temporal stability of identified spatiotemporal crime clusters. Furthermore, researchers have yet to measureContinue reading “Measuring the Temporal Stability of Near-Repeat Crime Patterns: A Longitudinal Analysis”