Keyes has murdered at least 11 people before his 2012 arrest.
Lucy Letby is a neonatal nurse charged with a year long murder spree of her patients.
William Lester Suff is a prolific serial killer who killed twelve women who few people have heard of.
Marriage, sex and wildlife
Werewolves are real
The making of a serial killer. Having examined the crimes of Jerry Brudos, what is the psychology behind why he killed.
Jerry Brudos was known as the Shoe Fetish Killer and the Lust Killer. He was responsible for the murder of four women and the abduction of several…
As mysterious as the Somerton Man, who was the mysterious woman left inside a tree. Was Bella a spy, prostitute or human sacrifice?
Madame Delphine LaLaurie is largely considered America's first female serial killer. She mutilated and tortured the enslaved people she hired to…
Justin Ross Harris claimed he forgot his son was in the car. He left him to sit trapped in his car seat for a day, in temperatures of ninety. Was it…
Gunness was a woman who killed forty people. Many believe she then faked her death and carried on killing. Who was this murdering Victorian lady?
Albert DeSalvo confessed to being The Boston Strangler. Was he the Strangler or had he admitted the crimes for financial gain?