Clearance rates
Cold Cases and Serial Killers (Part 1)
In April 2018, the Golden State Killer, Joseph DeAngelo was arrested. NIJ support helped lead to his arrest, and in the aftermath of the arrest, NIJ Social Science Analyst Eric Martin was among those tasked with finding other cases NIJ helped law enforcement solve. Eric joins the show to talk about some of those cases, and answer some broader questions about serial killers: What is a serial killer? Are they on the rise? How do we know how many serial killers are currently active?
Multilevel Evaluation of Project Safe Neighborhoods
Project Safe Neighborhoods (PSN) is a DOJ-sponsored initiative to reduce violent crime, particularly gun crime, by fostering cooperation by criminal justice agencies and local partners to develop and implement strategic approaches.
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Marijuana Legalization and Crime Clearance Rates: Testing Proponent Assertions in Colorado and Washington State
Putting the Fire Out in Utica
DNA Solves Property Crimes (But Are We Ready for That?)
Murder in Space City: Houston Homicide Re-Examined, Final Report & Project Summary
Terrorist Threats and Police Performance: A Study of Israeli Communities
Effect of Arrests on Crime - A Multivariate Panel Analysis
Forensic Evidence and Criminal Investigations: The Impact of Ballistics Information on the Investigation of Violent Crime in Nine Cities
When an Arrest Is Not an Arrest: Exceptionally Clearing Cases of Intimate Partner Violence
Effects of Marijuana Legalization on Law Enforcement and Crime: Executive Summary
Notes from the Field: Solving Missing Persons Cases in Indian Country
How Collaboration Between Researchers and Police Chiefs Can Improve the Quality of Sexual Assault Investigations: A Look at Los Angeles
Panelists discuss the application of research findings from an NIJ-sponsored study of sexual assault attrition to police practice in Los Angeles. There are three main focal points: (1) the mutual benefits of researcher/practitioner partnerships, (2) the implications of variation in police interpretation of UCR guidelines specific to clearing sexual assault (with an emphasis on cases involving nonstrangers), and (3) the content of specialized training that must be required for patrol officers and detectives who respond to and investigate sex crimes.
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"Sentinel Event" Review in the Criminal Justice System
Listen to James Doyle discuss the basics of a "sentinel event" review in the criminal justice system. This learning-from-error approach borrows from principles that medicine, aviation and other high-risk enterprises have successfully used. Former NIJ Fellow Doyle offers the basics to understand this innovative idea that takes a system-wide perspective of error, bringing all stakeholders together in a non-blaming, forward-looking way after a bad outcome, such as a wrongful conviction, occurs.
An Examination of Justice Reinvestment and Its Impact on Two States
Funded in part by the Bureau of Justice Assistance and the Pew Center on the States, the justice reinvestment project is a data-driven strategy aimed at policymakers to "reduce spending on corrections, increase public safety and improve conditions in the neighborhoods to which most people released from prison return." Representatives from two states where the justice reinvestment strategy is currently being implemented will discuss how it is being used to reduce the rate of incarceration and how states can reinvest in local communities.
Assessing and Responding to the Recent Homicide Rise in the United States
Video: NIJ's Law Enforcement Advancing Data and Science (LEADS) Program - Ongoing Class
Preventing Gun Violence: Understanding Law Enforcement Response and Improving Multi-disciplinary Partnerships for Peace
This Research for the Real World seminar explores common police practices for responding to gun violence and the extent to which they are contributing to reductions in violent incidents. The panel will also explore the role of multi-disciplinary partners such as the public health sector in reducing gun violence, and discuss promising practices for law enforcement partnerships to leverage complimentary violence reduction efforts.
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Forensic Evidence in Homicide Investigations and Prosecutions
NIJ's Law Enforcement Advancing Data and Science (LEADS) Program — Ongoing Class
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