In October 1981, a 30-year-old single mother living in Carmel, California, was brutally murdered in her own home. She was found strangled to death, and the case shocked the quiet, upscale community of Carmel. For many years, there were few leads, and the case...

Throughout the early 1990s, Phoenix, Arizona, was terrorized by a series of violent crimes, including the murders of two young women. The crimes went unsolved for decades, and the man responsible remained unidentified. By the time the police caught up to him, he had...

In October 1986, a 29-year-old nurse and mother was found dead inside her Polk County, Florida home.  The attack was so vicious that it left her nearly decapitated.  Despite the tremendous amount of DNA evidence left behind at the crime scene, investigators were unable...

The death of UK spy Gareth Williams in 2010 has become one of the most high-profile unsolved mysteries in years after his naked body was discovered padlocked inside a duffel bag. Described as a genius mathematician who the intelligence service had recruited, Gareth’s exact...

In the summer of 1987, a young bartender from Green Bay, Wisconsin, goes missing, only to turn up dead hours later. The police interviewed dozens of people, including the customers who were at the bar with the victim the night before.  Almost all of...

In September 2002, two women were found dead inside the Dolly Madison bakery in Great Bend, Kansas. They were 24-year-old Mandi Alexander and 79-year-old Mary Drake.  Even after years of investigating and the discovery of foreign DNA on one of the victims, the case...

Over 40 years ago, Susan Schwarz was found bound and shot to death inside her own Washington home. At first, the police suspected this was somehow a robbery gone wrong. But over the years, that theory fizzled out, and they began looking at someone...