Learn more about Rob Reps, who died while being rushed to the hospital with a gunshot to the head, after his wife Kimberly ...

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 ...

A young woman's frozen body was found in a suitcase in Connecticut, six days after 24-year-old Valerie Reyes vanished from her home in New Rochelle, New York.

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.