Articles Published by NIJ

Growing evidence supports using situational and developmental crime prevention approaches to complement traditional law enforcement and criminal justice interventions to combat sexual violence.

Anonymous reporting systems only work if the whole school community learns when and how to use them.

To increase knowledge and aid prevention efforts, the research community must develop a strategy to source, code, check, and analyze the data surrounding rare violent incidents.

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

Research finds that school-initiated threat assessments are a good alternative to zero-tolerance policies for keeping students safe, but better data and assessment team resources are needed.

A new area of research suggests that schools should have a systematic and coordinated approach in place to gather and process information on threats, respond appropriately, and document the response.

A review of the most commonly cited sources of school safety data indicates that although crime and violence in schools have generally been decreasing for some time, multiple-victim homicide incidents have been increasing.

A rigorous evaluation of a well-grounded pilot program to boost the school performance and behavior of at-risk youth and improve safety in Palm Beach, Florida, schools revealed few positive or negative effects.

Tip lines make possible confidential reporting of threats and problems and may benefit schools beset by safety and crime threats. More studies are needed on their effectiveness, but a new tip line toolkit instructs schools on how they work.