Grace Campbell

At the scene of a crime, an evidence marker sits next to a pool of blood while an investi...

A good detective knows that crime scene evidence can make or break a case. Learn how to l...

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

The case is closed—but did police arrest the right culprit? Controversial technique...

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

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