The installation of a CCTV system caught a twisted killer who was using his position as a healthcare worker to secretly kill patients.
Richard Beasley, the Craigslist Killer, lured desperate job seekers to the woods with promises of employment at his fictional ranch.
For decades, detectives in Washington search for the perpetrator behind three unsolved murder cases. Finally, they can match DNA to a suspect. But "he" doesn't exist anymore.
In 1999, hospital worker Jennifer Watkins is sexually assaulted and murdered. 20 years later, revolutionary DNA testing helps to solve the cold case.
A killer evades justice for the murder of Diana Hanson for 38 years until genetic genealogy can identify him.
Michelle Wyatt is found strangled to death in 1980. Few leads arise until 41 years later, thanks to forensics.
December 1987 in Ohio, the nude body of 17-year-old Barbara Blatnik is found face down on a rural road. She had been violently raped and strangled.
DNA science finally identifies both killer and victim from a murder that took place back in Florida in 1991.
In 1999, hospital worker Jennifer Watkins is sexually assaulted and murdered. 20 years later, revolutionary DNA testing helps to solve the cold case.
In 1981, Linda Slaten is sexually assaulted and murdered in her Florida apartment while her children sleep. The case goes cold but her sons never give up. 38 years later, forensic genetic genealogy reveals the killer has been nearby all along.
Detectives in Houston, Texas search for a killer with an everyday job and a signature method. Though he evades capture for years, it's an in-the-family atrocity that brings him to justice.
In 1974, a 5-year-old girl disappears while walking to her friend's house. 46 years later, detectives are able to put the case to rest using modern DNA technology.
A woman explains her story of how she was charged with killing her roommate.
Profiles include a mother who shot her two sons dead, and a woman who is believed to have caused an explosion.
A women, along with her boyfriend, is convicted in the fatal shooting of four people at the Witchduck Inn.
Police investigate the disappearance of a 5-year-old boy, and a young girl's body is discovered in a field.
In the US, a missing 15-year-old is found by cadaver dogs, while in the UK, a mystery needs to be solved to identify a dismembered body in a suitcase.
In the UK, a young woman fails to come home after a mysterious date. Her worried family desperately searches for her, only to discover a devious attempt at a cover-up. In the US, a young mother is found dead in a house fire.
Highway 16 in British Columbia has been dubbed "The Highway of Tears" due to the amount of reported missing peoples. Growing up near this notorious road was young serial killer Cody Legebokoff.
From 2010-2017, Toronto's LGBTQ+ community is terrorized by a serial killer that preys on immigrants and the vulnerable.