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 cell phone history of Valerie Reyes, whose frozen body was found in a suitcase, held valuable clues for investigators trying to identify her killer.

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 ...

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

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

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

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

Season 35 Episode 18 Exclusive: Prosecutors working the case speak out about Ashley Benefield's motives for killing her husband, Doug Benefield.

A former ballerina fatally shoots her estranged husband in what she claims to be an act of self-defense. The case receives major media coverage after a history of questionable allegations and ...

Season 6 Episode 6 Exclusive: Investigators work to figure out what happened to John Madsen.

Season 6 Episode 6 Exclusive: 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.

Season 6 Preview: Police find the body of a young woman in a suitcase, but who could have killed her?