National Network for Equitable Library Service

At the scene of a crime, an evidence marker sits next to a pool of blood while an investigator's camera catalogs the scene.

A good detective knows that crime scene evidence can make or break a case. Learn how to look for evidence, how to collect it, and what it can tell us in this captivating high/low title!

Crime scene investigators walk past the yellow tape with one mission: to figure out what happened.

The case is closed-but did police arrest the right culprit? Controversial techniques used by investigators can pin a crime on the wrong person.

From your cell phone signal to your search history, digital clues can help investigators solve crimes.

As the most extensive database, fingerprints have helped solve millions of crimes.