Through
10/10
Criminology
Videotaping interrogations in Pennsylvania
Videotaping interrogations in Pennsylvania
The Quattrone Center has released “Videotaping Interrogations in Pennsylvania,” the first study to review Pennsylvania interrogation practices.
Abandoned house repairs reduced nearby gun violence
Abandoned house repairs reduced nearby gun violence
Installing working windows and doors, cleaning trash, and weeding at abandoned houses led to safety improvements and should be considered in efforts to create healthy communities, according to researchers from University of Pennsylvania and Columbia.
Despite lower crime rates in 2020, risk of victimization grew
Despite lower crime rates in 2020, risk of victimization grew
Research out of Penn and the Naval Postgraduate School found that early in the pandemic the possibility of getting robbed or assaulted in a public place in the U.S. jumped by 15% to 30%, a rate that has stayed elevated since.
Crime and the scientific method
Crime and the scientific method
The multidisciplinary faculty in the Department of Criminology harness diverse methodologies to improve public safety and inform policy and planning.
Well water, lead, and the link to juvenile delinquency
Well water, lead, and the link to juvenile delinquency
Research from Penn and other universities found that, compared to children with municipal water, those relying on private wells in the U.S. had a 21% higher risk of being reported for any delinquency and a 38% increased risk of being reported for serious delinquency after age 14.
Diversion programs reduce criminal justice system footprint
Diversion programs reduce criminal justice system footprint
Research from Penn criminologists and the Philadelphia District Attorney’s Office found that such programs increase expungement rates and lower reconviction rates, leading to a net-narrowing effect overall.
Who’s at greatest risk to encounter the criminal legal system in the U.S.?
Who’s at greatest risk to encounter the criminal legal system in the U.S.?
New work from Penn, Princeton, and Washington University in St. Louis finds that for young people of color, contact with the system begins early and is incredibly widespread.
When police forces grow, homicides drop and low-level arrests increase
When police forces grow, homicides drop and low-level arrests increase
Research from Penn criminologist Aaron Chalfin and others found that an additional 10 to 17 officers prevented one homicide annually, but each extra officer added up to 22 arrests for crimes like drug possession.
The role of progressive prosecutors in the criminal justice reform movement
The role of progressive prosecutors in the criminal justice reform movement
Using Philadelphia as a microcosm, a new law course will analyze the emerging trend of progressive prosecutors’ offices and discuss how their strategies fit into a larger movement for criminal justice reform.
The story of immigration enforcement
The story of immigration enforcement
In an award-winning paper, criminologist Aaron Chalfin examines the public safety implications of labor market-based immigration enforcement.
In the News
Philadelphia Citizen
Cleaner streets are key to Philly’s success
Two studies by the Urban Health Lab at Penn found that gun violence dropped significantly in neighborhoods where vacant parcels were turned into regularly maintained green spaces.
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The New York Times
Death and the city
In a 2021 essay, Aaron Chalfin and John MacDonald of the School of Arts & Sciences argued that a number of changing factors made it difficult to isolate the precise combination of ingredients behind the COVID pandemic’s surge in violence.
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The Washington Post
Stanton Samenow, psychologist who studied ‘criminal personality,’ dies at 81
William S. Laufer of the Wharton School says that Stanton Samenow’s influence on criminal psychology will remain, even if at the foundation of future research.
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Vital City NYC
Social control works: Lessons for criminal justice reformers
John MacDonald of the School of Arts & Sciences outlines seven key facts about crime and criminal offenders.
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The New York Times
Thieves break into vehicle and make off with $200,000…in dimes
Aaron J. Chalfin of the School of Arts & Sciences says that the theft of millions of dimes at a Walmart parking lot in Philadelphia was probably committed by people who knew that the money would be there.
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Philadelphia Inquirer
Want to tackle gun violence? Think about trees
Research by Eugenia C. South of the Perelman School of Medicine, John MacDonald of the School of Arts & Sciences, and Vincent Reina of the Weitzman School of Design shows that fixing up dilapidated homes in low-income Philadelphia neighborhoods is an effective way to prevent shootings.
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