When 36-year-old computer programmer Lisa Valdez was found dead inside her upscale San Francisco apartment, the police immediately suspected she was killed by someone she knew. But even after the police collected DNA samples from all of her male friends and family members, they...

The brutal murder of a 94-year-old woman inside her home completely shocked a California community for years. The police were left without many answers as to who could be responsible for such a terrible crime until they found the clue they needed in the...

In 1992, 24-year-old Lisa Ziegert was kidnapped from the gift shop where she worked in the sleepy town of Agawam, Massachusetts. Over the next several years, law enforcement worked tirelessly to identify and capture her attacker. Can important forensic evidence eventually lead investigators to...

Marcellus Williams was charged and convicted of murdering a St. Louis woman inside her home in August 1998. Despite zero forensic evidence linking him to the brutal murder, he sits on death row today. Is Marcellus Williams a cold-blooded killer? Or another wrongfully accused...

A young woman is assaulted while jogging in a popular trial in New Mexico, but law enforcement struggles to identify her attacker. Without any fresh leads in the case, the police turn to a new investigative tool – forensic genetic genealogy to hunt down...

A famous British journalist was mysteriously gunned down on her very own front doorstep in April 1999, leaving many people to wonder if this infamous murder will ever be solved. Photo Source: The Guardian Episode Sources: The Mirror The Guardian Standard Wales Online Entertainment...

In April 1985, Nancy and Derek Haysom were found brutally murdered inside their home in Bedford County. Both became victims of unspeakable violence, leaving many people to question who could have been responsible. When the forensic evidence led investigators to their suspects, no one...