Episode list

Every now and then, police officers experience a case that shakes them to their core. In May of 1982, that's exactly what happened. Two beat patrol officers in Mississauga, Ontario, Canada,were first to respond to a frantic phone call reporting a dead body, one would quit the force within six months, and the other would ask for a desk job where he would remain for the rest of his career.Darlene Prioriello disappeared from a bus stop after spending an evening with her boyfriend.

Hiroshi Maeue (1968 - 2009) was a Japanese serial killer who lured his victims via the internet and killed three people in 2005. Also known as the "Suicide Website Murderer", Maeue suffered from a paraphilic psychosexual disorder that translated into being unable to achieve sexual release in the absence of performing an act of strangulation.

Kiyoshi Okubo (1935-1971) was a Japanese serial killer. Between March 31, 1971, and May 10, 1971, he raped and murdered eight young women. He used a pen name, Tanigawa Ivan. The district court in Maebashi sentenced Okubo to death by hanging on February 22, 1973. He did not appeal and was executed on January 22, 1976. It was reported that he couldn't stand up on the day of his execution.

Rebecca Marie Watts (1998 - 2015) was a British student from Bristol who was murdered in 2015 at the age of 16. Her stepbrother, Nathan Matthews, was found guilty of her murder and was sentenced to life in prison. Nathan's girlfriend, Shauna Hoare, was found guilty of manslaughter and sentenced to 17 years in prison. Watts's dismembered body was found at a property in Barton Court, Barton Hill.

Gary Leon Ridgway, born 1949, is an American serial killer known as the Green River Killer. He was initially convicted of 48 separate murders committed between the early 1980s and late 1990s. Most of Ridgway's victims were alleged to be sex workers and other women in vulnerable circumstances, including underage runaways. After strangling them, he would dump their bodies in forested and overgrown areas in King County, often returning to the bodies to engage in acts of necrophilia.

David Parker Ray (1939 - 2002) was an American kidnapper, torturer, serial rapist and suspected serial killer. Ray kidnapped, raped and tortured an unknown number of women over many decades at his home in Elephant Butte, New Mexico, occasionally assisted by accomplices including his daughter Glenda Jean Ray and partner Cindy Hendy. Ray used soundproofing methods on a semi-trailer, which he called his "Toy Box", and equipped it with items used for sexual torture. He would kidnap about four or five women a year, holding each of them captive for around two to three months. During this period he would sexually abuse his victims and often torture them with surgical instruments, sometimes inviting his friends, wife or even his male dog to rape the victim.

John Christie (1899 - 1953) was an English serial killer and serial rapist active during the 1940s and early 1950s. He murdered at least eight people-including his wife Ethel-by strangling them inside his flat at 10 Rillington Place, Notting Hill, London. The bodies of three of his victims were found in a wallpaper-covered kitchen alcove soon after he had moved out of Rillington Place during March 1953.