In August 1975, 8-year-old Gretchen Harrington left her parent’s house in Delaware County, Pennsylvania, heading to summer vacation Bible school class. The church was less than a mile up the road, and she had walked it many times in the past, but something about this morning was different. Gretchen never made it.  Two months later,…

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 went cold. But in 2020, thanks to advancements in DNA technology,…

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 a new persona and was hiding in plain sight. But besides…

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 to identify her killer for over three decades. But just when…

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 cause of death remains unknown, and people can’t agree whether he…

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 them said they noticed a strange man hanging around the bar…

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 of the Dolly Madison murders is still unsolved today. How might…

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 very close to the victim. However, without any forensic evidence linking…

A 78-year-old grandmother was found dead inside her Salt Lake City, Utah, home in February 1991. But for years, her brutal murder baffled investigators. Who would want to kill an elderly lady inside her very own home? The case remained a mystery for two decades until investigators got the clue needed from a very unlikely…

In April 2005, 25-year-old Janet Abaroa was discovered stabbed to death inside her North Carolina home – she had been found by her husband, Raven.  Nothing else in the home was disturbed, and the couple’s 6-month-old son, Kaiden, was found unharmed in another bedroom. The question of who killed Janet became a mystery that quickly…