Articles Published by NIJ

NIJ grantee Robert Maher is changing the field of audio forensics with novel techniques to document and interpret gunshot recordings.

After analyzing individual blood droplets on inclined surfaces, researchers in this NIJ-funded project said measurements show the current standard method is accurate for drops that hit at right angles but has significant errors at shallow impact angles.

Researchers conducted a statistical study of handwriting characteristics to provide a database so that forensic document examination standards will better stand up to judicial scrutiny.

Researchers who developed a 3-D imaging system for analyzing cartridge casings say their latest work is “a critical next step” that gives cartridge analysis more credibility by including datasets, best practices, and performance checks.

Researchers claim they have developed a prototype system that could enable “low-cost, portable, objective analysis of tool marks.”