A young woman out jogging is attacked and viciously raped at knifepoint. The perpetrator continues his reign of terror by raping another five times over the next nine years.
Genetic genealogy brings answers to the families of two little girls who were murdered in 1986 in Tacoma, WA.
Steven McDowell refused to accept that his marriage to Crystal was over. When she disappeared during a hurricane, efforts to uncover foul play were hampered.
Remorseless murderer Casey Pigge's main ambition is to be the ultimate serial killer. If unrestrained, he remains a deadly threat.
Nothing was going to stop Ricky Dubose from breaking free of prison. Whilst being transported on a bus between facilities, he killed two correctional officers before escaping - and going on the run.
James 'Porky' O'Rourke's addiction to violence means he is one of the most feared men in the UK prison system.
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.