Articles Published by NIJ

Adults trying to curb cyberbullying of teens need to understand what it is and how it works in teens’ social networks; research on the content and context of cyberaggression may help build solutions.

Nanoparticles and other subvisible particles potentially present in nearly all trace evidence are often overlooked in forensic investigations. NIJ-supported researchers have characterized several types of particles and developed detection methods.

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.

An expert workshop on a hidden hub of crime on the internet identified priority investigative needs, including demystifying the “dark web”, training investigators to identify dark web evidence and activity, and building cross-jurisdictional partnerships.