Articles Published by NIJ

To better inform school safety and violence-prevention efforts, Virginia secondary schools sought to improve upon their comprehensive surveys of school climate.

NIJ is committed to promoting rigorous research on how best to successfully integrate individuals returning from jail or prison.

New systems allow high-definition scans of bullets and cartridge cases to be shared and compared virtually.

Research affirms that access to interconnected resources will further improve school climate, student equity.

Improving recidivism forecasts through data sharing and open competition

NIJ-funded researchers developed a novel metric to assess probability that an unknown sample of a drug matches a library sample, with profound implications for standardization of mass spectrometry results.

Illicit opioid supplies can be greatly reduced if distribution networks are disrupted. New research highlights the power of computer modeling and community-based intelligence to reveal network connections.

For cases in which violence is a contributing factor, new research presents the importance of characterizing the NamUs database.

Researchers have created the first open-source catalog of U.S. school shootings to better understand the causes of school-related gun violence and identify intervention points.

Researchers have created a more accurate methodology for predicting how things burn

A troubled past and leaked plans are common to those who take part in mass shootings. Most use handguns, NIJ-supported research shows.

The reliability, interpretability, and cost-benefit of three-dimensional laser-scanned images for crime scene documentation is assessed.

Development of blowflies on a body is a standard forensic measure of time since death, but temperature variations can alter that development and mislead investigators.

Evaluation of state-based task forces using “Enhanced Collaborative Model” reveals steady gains but recommends improvements, such as a more balanced approach to sex and labor trafficking.

Two NIJ-funded projects introduce new methods and tools for collecting and processing digital evidence in cases involving child sexual abuse materials and large-scale computer networks.

Researchers believe a bacterium that causes food poisoning and other diseases may underlie some SIDS cases.