Projects
Featured Project
Gang Violence Reduction in Stockton, California
Serious gun violence in Stockton, California, is concentrated among a small group of gang-involved individuals who are disconnected from services and opportunities. Over the past 25 years, Stockton has periodically implemented Operation Ceasefire as its primary gang violence reduction strategy. Stockton Ceasefire is a focused deterrence strategy that reflects the principles of the Group Violence Intervention (GVI).
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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 […]
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Thrive Academy Study: An Evaluation of the Maryland Department of Juvenile Services Initiative to Reduce Juvenile Gun Violence
The Crime and Justice Policy Lab is partnering with the Maryland Department of Juvenile Services to conduct an evaluation of the Thrive Academy. The Thrive Academy is designed to target youth most […]
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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 is partnering with the United Nations Development Programme (UNDP) to strengthen evidence-based decision-making for citizen security in the Caribbean. Funded by USAID, CJP’s work with regional […]
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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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The Boston Family Project
The Boston Family Project is an in-depth research study that aims to understand how community gun violence affects Greater Boston Area families across multiple generations. We’re looking at the long-term impact of […]
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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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Gang Violence Reduction in Stockton, California
Serious gun violence in Stockton, California, is concentrated among a small group of gang-involved individuals who are disconnected from services and opportunities. Over the past 25 years, Stockton has periodically implemented Operation Ceasefire as its primary gang violence reduction strategy. Stockton Ceasefire is a focused deterrence strategy that reflects the principles of the Group Violence Intervention (GVI).
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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 Violence Intervention in the Great Lakes Region
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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Building Evidence on Security and Community Resilience in the Caribbean
Reducing crime and violence among youth is a high priority for citizens and governments in the Eastern and Southern Caribbean (ESC). While considerable progress has been made to understand the factors that contribute to youth violence, there is a lack of high-quality data pertaining to effective practices and approaches to counter this issue in the Caribbean.
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Forming Better Police-Community Connections: Body Worn Cameras
Project Overview We completed three randomized evaluations of programs that study the effects of equipping officers with body-worn cameras. These projects were completed in close collaboration with the Boston Police Department, the […]
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Forming Better Police-Community Connections: Procedural Justice
Project Overview We’re working on several projects that examine the ways in which new policy initiatives could be used to change interactions between police and community members. We recently collaborated with the […]
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Promoting Fair and Just Policing in Guyana
Police play a critical role in promoting public safety, and there is perhaps no debate more urgent in Guyana—and in the broader region of Latin America and the Caribbean—than the question of […]
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Transforming Communities with College Bound Dorchester in Boston
For the last few years we have been working with the non-profit College Bound Dorchester to help them design a research project surrounding their new “Boston Uncornered” program. Boston Uncornered seeks to […]
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Limiting Gun Violence in California
Researchers from the Violence Prevention Research Program at UC Davis, Northeastern University, and CJP are working to evaluate California’s Armed and Prohibited Persons System (APPS), which is a law enforcement intervention that seeks to recover firearms from individuals who purchased them legally but subsequently became prohibited from having access to firearms.
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