Articles Published by NIJ

Fiber evidence has long been an important part of criminal cases, for it can associate a suspect with a crime scene. This project details new analytical procedures that allow fiber comparisons that are more detailed than standard forensic practices.

Identifying a new drug that is very similar in structure to other drugs is important for investigators. Researchers in this project determined that these drugs may be better separated using ultra high-performance supercritical fluid chromatography.

Synthetic cathinones, a class of mood-altering stimulants popular among recreational drug users, can be unstable when stored in blood or urine samples, and may be problematic when used as evidence in court.

Two researchers with a long record of research into the forensic value of very small particle populations examined cell phones, handguns, drug packaging, and ski masks from the San Diego County Sheriff’s Office to determine if such particles can make phys