Projects
Featured Project
Gun Violence Reduction in Baltimore
The City of Baltimore is launching an ambitious new effort to cut down on gun violence across the city, and is collaborating with the CJP to design strategies that reduce shootings in […]
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Gun Violence Reduction in Baltimore
The City of Baltimore is launching an ambitious new effort to cut down on gun violence across the city, and is collaborating with the CJP to design strategies that reduce shootings in […]
Read about this project
An Evaluation of Citywide Street Lighting Upgrades on Gun Violence
The Philadelphia Energy Authority is engaging in one of the most ambitious public infrastructure projects in the United States by upgrading the entire light network of the city with energy-efficient “smart” LED […]
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Building the Local Capacity and Evidence Base for Crime and Violence Prevention in the Caribbean
The Crime and Justice Policy Lab and the United Nations Development Programme (UNDP) share a common priority: finding effective and socially productive ways to reduce crime and violence—particularly among young people. Over […]
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The Last Mile Evaluation
The Last Mile (TLM) has provided courses on computer programming, web development, and entrepreneurship to incarcerated individuals for over ten years. The courses aim to teach returning citizens invaluable, marketable skills as […]
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Determining the Effects of Street Cleaning on Gun Violence: The Clean Streets Intervention
The objective of this project is to determine the effectiveness of a street cleaning intervention on gun violence. The Pennsylvania Horticultural Society (PHS) launched the LandCare Block Cleanup Program in July with […]
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Shannon Community Safety Initiative
Since 2006, the Massachusetts Legislature has appropriated funds to support the Shannon Community Safety Initiative (CSI) aimed at reducing gang violence across the Commonwealth. Administered by the Massachusetts Office of Grants and […]
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Hampden Stepdown Program
In partnership with researchers at Northeastern University, CJP researchers are assisting in evaluating the Hampden County Sheriff’s Office’s (HCSO) Step-Down Program. The step-down program is NIJ-funded and the investigation involves a difference-in-difference […]
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Tracking the Sale and Spread of Illegal Guns in the US
Leveraging an innovative partnership with online payment company PayPal, in 2020 the CJP formed of a research collaborative designed to better understand illegal firearm trafficking and financing in the United States. Partners […]
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Exploring the Effects of Civic Justice on Offending Patterns in Mexico
Civic Justice is a preventative approach to minor offenses based on community courts, restorative justice, and problem-oriented policing components. The goal of the model is to reduce recidivism and escalation to more […]
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Field Testing and Validating Risk Assessment Tools in Latin America and the Caribbean
For the past several decades, many Latin American and Caribbean (LAC) countries have been facing increasing levels of youth involvement in crime and violence. This issue is a top priority for the […]
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Community of Practice with Joyce
Community Violence Intervention (CVI) programs have enormous potential to save lives and improve justice system outcomes across a wide range of cities and counties. Many innovative jurisdictions are currently either piloting new […]
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Somerville Police Alternatives and Co-Response
CJP, in collaboration with the City of Somerville Department of Racial and Social Justice, is creating a primer on the city’s public safety response landscape. The primer will discuss the current landscape […]
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Prosecutors and Criminal Justice Reform: Research Partnership with the Philadelphia District Attorney’s Office
Penn CJP researchers is partnering with the Philadelphia District Attorney’s Office (DAO) to conduct research on the role of prosecutor-driven policies in improving fairness and efficiency in the criminal justice system. The […]
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Evaluating Philadelphia’s Group Violence Intervention
In partnership with the Philadelphia Office of Violence Prevention and the Urban Affairs Coalition, CJP researchers are evaluating the Philadelphia Group Violence Intervention (GVI), an evidence-based approach to reducing group-involved violence. GVI […]
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Crime Prevention through Streamlined Information Sharing
A critical factor in data-driven policing strategies is the ability to plan, collect, analyze, disseminate, and evaluate information being provided to street officers and investigators. To do this effectively and efficiently, data […]
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Improving Treatment for Juvenile Justice
In February of 2019, the Philadelphia DAO established new juvenile justice policies aimed at improving the treatment of and outcomes for youth within the Juvenile Justice system and decreasing the use of […]
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Developing New Tools to Fight the Opioid Epidemic
The opioid epidemic in Massachusetts (and the U.S. more broadly) shows no sign of subsiding; there is growing awareness among policymakers that expanding treatment alone may not be enough to curtail the […]
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Preventing Community Violence in Oakland, California: Operation Ceasefire
Researchers at CJP have worked on several projects related to community violence prevention strategies. Our ongoing work in Oakland is based on several of these previous projects, notably Boston’s Operation Ceasefire focused […]
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