Find out what Bryan Kohberger's teachers and students at Washington State University, where he was working towards a PhD, said about his behavior.

The investigation into a deadly home invasion involving a local business owner takes a turn when an unlikely witness comes forward. New details emerge from exclusive interviews and never-before-seen ...

According to Noguera, Naso began to spill his secrets, allegedly confessing to more than 20 unsolved murders. Noguera began ...

Learn more about what happened to Milton Sawyer, found dead in his North Carolina bathroom, and his wife Angel, who reported ...

Police find the body of a young woman in a suitcase, but who could have killed her?

Learn more about what happened to Elizabeth Sullivan, who mysteriously vanished and then was found dead two years later in ...

One of Valerie Reyes' friends speaks to police about her friend's activity and dating life before her death.

Learn more about Wisconsin woman Aimee Betro, who flew to England and attempted to shoot someone as part of a revenge plot on ...

Learn more about what happened to Kristin Smart, 19, who vanished after an off-campus party, and about the man eventually convicted in the case.

Investigators work to figure out what happened to John Madsen.

In a case that sounds more fictional than factual, a web of lies, lust and deceit is revealed.

A suspect in the disappearance of John Madsen opens up to police about his plans to use stolen credit cards to build a remote marijuana farm.