Profiles include a woman who murdered her own parents, and a woman who assisted in a robbery and murder along with her husband.
A woman tells her story of why she hired a hit man to kill her fourth husband. Next, an addict served watch as a fellow gang member robbed and murdered an unsuspecting man.
In Texas, a husband "fails" to stop his wife from taking her own life with a gunshot to the back of her head. Home surveillance reveals the truth. In Washington state, a man builds a bunker in secret with a diabolical plan for his wife and daughter.
Recordings provide vital evidence to solve the death of a man's wife, and a feud leads to a fatal house fire.
In the US, a sister tracks down her brother's killer by becoming an amateur sleuth, and in the UK, CCTV is the main witness to identify the killer of a mother of four.
Janbaz Tarin coerced Raneem Oudeh into a relationship. When she tried to break free, he took revenge.
With the 22-year age gap, Jessica thought Sonny would be her carer and protector. Little did she know he would be her killer.
The installation of a CCTV system caught a twisted killer who was using his position as a healthcare worker to secretly kill patients.
Many bodies found in the Louisiana bayou after Hurricane Katrina were the victims of someone more sadistic.
Stewart Weldon was a career criminal operating in plain sight with convictions for kidnapping, burglary and sexual assault. It would take a routine traffic stop for the darkest depths of Weldon's crimes to be revealed.
Genetic genealogy brings answers to the families of two little girls who were murdered in 1986 in Tacoma, WA.
Genetic genealogy brings answers to the families of two little girls who were murdered in 1986 in Tacoma, WA.
In 1996, a woman takes her life in a Virginia cemetery and leaves a note that she wishes to remain unidentified. Still, detectives are legally bound to identify her. Only genetic genealogists can bring long-awaited answers, decades later.
Forensic pathologist Dr. Richard Shepherd investigates the case of Marta Ligman, whose body was found in a suitcase in a London canal after a fatal beating by her abusive boyfriend.
Dallas Augustine had wealth, a wife she loved and a fledgling political career. But drinking and violence caused it all to fall apart.
Imprisoned after a botched robbery that ends with the fatal shooting of an innocent man, Craig Wissink later kills a corrections officer with a fire extinguisher in a brutal attack.
Willing to kill for just $20 and drugs, Joshua Gardner commits his first murder at 24. Even behind bars, he can't contain his rage, brutally beating a fellow inmate to death.
Violent armed robber Michael Dutcher brutally murdered two people while attempting a prison escape. He remains a threat to anybody who stands in his way.
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.
Jason Scott was a master of disguise, but he held many secrets: at night, he was a serial home invader and a killer linked to five cold-blooded murders - including those of two mother-daughter pairs.