Cold case detective Ken Mains makes it his mission to ensure that Joseph Naso is held accountable for all of his killings.

Retired Milwaukee Police Detective Steve Spingola has worked high-profile investigations like Jeffrey Dahmer, spent decades ...

Daly City police believe they have solved their oldest cold case murder; a young woman found at Thornton Beach in January 1974. A new documentary ties convicted serial killer Joseph Naso to the case, ...

Detectives Tara Augustin and Alyson Dupouy investigated the 2001 murder of Leslie Preer, who was killed in her home in a ...

Oxygen’s new true-crime series “Death Row Confidential: Secrets of a Serial Killer” premieres tonight at 9 p.m. ET/PT with a ...

Dateline has covered John Regan, a suspect in a series of decades-long r*pe cases. Dateline's report shows how police supplemented millennia of detective investigation with modern forensic science.

A significant development has emerged in a cold case involving the suspected murder of a woman that has remained unsolved for more than 20 years.

What happens when the water master in the Berkeley Springs International Water Tasting is found dead in George Washington’s ...

A cold case investigator has slammed German prosecutors for being "obsessed" with the belief that Christian Brueckner was ...

Glassriver, the leading Icelandic film and TV production company behind “Reykjavik Noir,” has optioned the bestselling ...