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Posts tagged Data analysis
Creating Insecurity Through Youth Street Groups and Applying Security for Control and Governance. A Case Study of Barcelona Latin Kings

By Eduard Ballesté-Isern & Carles Feixa 

This paper is based on an ethnographic study of the arrests and the subsequent trial and sentencing of a group of Latin Kings and Queens from Barcelona between 2015 and 2020. We analyze the actions carried out by the police, judicial institutions and media to reestablish the “hard handed” discourse in relation to these youth street groups in a time of crisis and precariousness. The concept of a “space of youth street groups” is used to construct a tool for mapping the agents who interact with these groups and the position they occupy in the social space. The interactions between these agents in Barcelona configure a new form of security governance through the creation of subjective insecurity and the promotion of punitive policies against youth street groups.

Crit Crim 30, 741–756 (2022)

Stop-and-Frisk Policing in U.S. Cities: Patterns and Productivity

By David Abrams and Priyanka Goonetilleke

Like most locally governed activities, police stops are evaluated, if at all, using data from a single municipality. This paper aggregates data on over 8 million pedestrian and vehicle police stops from 16 U.S. cities between 2019 and 2023 to better understand how the widely used police tactic varies by place, time, and race. We find immense variation in the implementation of these policies across cities, something that has not been previously highlighted in the literature. Stop rates vary across cities by almost two orders of magnitude, well in excess of inputs like funding and size of police force vary far less, or outcomes like different measures of crime. Contraband discovery rates (hit rates) for pedestrian stops are consistently low, with gun hit rates never exceeding 10% of frisks in any city. Consistent with optimizing models of policing, hit rates rise over time as frisk rates fall substantially. However, this result is concentrated in gun contraband, and for other types - mostly drugs - hit rates do not vary much even with vast declines in frisks, suggesting police are not optimizing for other types of contraband. This supports the notion that frisks are consistent with the law, which requires they be based on suspicion that an individual is armed and dangerous. Consistent with prior work, there are substantial racial disparities in all examined cities, with Blacks frisked as much as 10 times more frequently than Whites in some locations. Taken together, these facts point to a standard practice that seemingly has no standards, given the massive variation across the country. This suggests there are potentially large gains in efficiency and fairness from sharing best practices and nationwide data collection on police stops.

U of Penn, Inst for Law & Econ Research Paper No. 26-01,




Birthright Citizenship and Youth Crime

By Leander Andres, Stefan Bauernschuster, Gordon B. Dahl, Helmut Rainer, Simone Schüller

This paper studies the impact of birthright citizenship on youth crime. We leverage a reform which automatically granted birthright citizenship to eligible immigrant children born in Germany after January 1, 2000 and administrative crime data from three federal states. Immigrant youth who acquired citizenship at birth are substantially less likely to engage in criminal activity, with estimates indicating a 70% reduction. These results are particularly relevant in light of ongoing debates in the U.S. about abolishing birthright citizenship. Our findings suggest that inclusive citizenship policies can reduce crime and its associated costs, which in turn could strengthen social cohesion.

Nobody ever spoke to me like that before.” Improving Interactions Within the Justice System. Recommended practices from national clinical experts convened by the NYC Mayor’s

Nobody ever spoke to me like that before.” Improving Interactions Within the Justice System. Recommended practices from national clinical experts convened by the NYC Mayor’s Office of Criminal Justice & Center for Justice Innovation

By The New York City Mayor's Office of Criminal Justice

Most people who are arrested in New York City are not rearrested while they wait for a decision about the outcome of their case. However, a small group are rearrested at substantially elevated rates. And despite their clear need for supportive services, most of this group never receive intensive mental health, emotional health, or behavioral health interventions at any point during their time in the justice system. Instead, most interactions people experience as they journey through the justice system are limited to a series of brief mandated encounters—check-ins, needs assessments, reminders, hearings. Despite their brevity, these encounters represent key intervention points1 with the potential to change individuals’ future well-being and behavior, either negatively or positively, through inevitable influences on their emotional and psychological well-being. As New York City grapples with how to adequately serve people at highest need and highest risk of justice involvement, the New York City Mayor’s Office of Criminal Justice and the Center for Justice Innovation convened a national roundtable of clinical experts in Manhattan on October 12, 2023. Participants were asked to distill their expertise and apply it to the range of processes that practitioners most frequently navigate within the criminal court system context. The goal was to identify key opportunities for making these processes as therapeutic and impactful as possible under the constraints of system-based practice—in New York City and across the country. This roundtable focused on the interactions most system-involved people actually have on a daily basis. Specifically, intake screenings, routine monitoring appointments, and other brief mandated interventions are critical opportunities for providing trauma-informed care, which recognizes and responds to the high rates of trauma that people involved in the justice system experience.2 Often, this trauma is experienced both prior to3 and as a result of their involvement in the system.4 Making use of these opportunities could go a long way toward increasing court appearances, reducing rearrests, and increasing engagement in longer-term supportive and therapeutic services. As the city continues to wrestle with the twin challenges of reducing crime and incarceration and improving behavioral health care in the city, this roundtable could not come at a more critical moment. The roundtable sought to connect overall principles to concrete practices. While practitioners often refer to principles such as being trauma-informed, meeting people where they’re at, strengths based, and non-judgmental, what does that actually look like in practice? And how can staff reconcile these most effectively with accountability? What specific words or actions generate increased engagement and connection with people who do not trust systems of any kind, much less the justice system? This brief provides a list of concrete recommendations for providers, distilled from the roundtable discussion. It should be noted that none of these recommendations should be taken as conclusive or unequivocally endorsed by the Mayor’s Office of Criminal Justice. Instead, MOCJ is providing a summary of the recommendations provided by experts based on their experiences in the field.

Measured Force: The Benefits of Police Data Transparency

By Logan Seacrest and Jillian Snider  

   For the past decade, policymaker and public attention has focused on police use of force like never before. Yet due to a lack of standardized data, the national debate on this sensitive topic has occurred largely in an information vacuum. Using interviews with active law enforcement personnel and other primary research, this paper explores the theoretical and legal framework for police use of force; chronicles the history of data-collection efforts; describes the current information and legislative landscape; and provides real-world examples of innovative data systems. We conclude with a series of recommendations to help law enforcement leaders and policymakers design use-of-force data systems and craft practical, evidence-based transparency laws.

R Street Policy Study No. 302, 2024. 26p.