A man Los Angeles prosecutors once described as one of the city's most prolific serial killers has been charged with another slaying: a woman in Utah in the late 1990s. Utah authorities on Friday ...

The serial killer is currently being held at Rampton secure hospital in Nottinghamshire. Victorian murderer Mary Ann Cotton remains Britain's most prolific female serial killer. The Sunday school ...

who are the most notorious serial killers to have ever existed? Explore the gallery below to discover the identities of the world's most prolific murderers. You may also like: ...

'I have hate crawling through my system': Ex-prostitute who gunned down six clients to become one of the most prolific female serial killers in history ...

The FBI has confirmed an imprisoned murderer who confessed to 93 murders over four decades is the most prolific serial killer in US history. Police have matched Samuel Little, 79, to 50 cases from ...

Grandma Anujka) or the Banat Witch. Still, the majority of the residents of former Yugoslavia do not know who she was. By all accounts, Baba Anujka was the first and the most prolific serial killer of ...

Samuel Little, whom the FBI called the “most prolific serial killer in U.S. history,” died Wednesday. He was 80 years old. Little died while serving a life sentence at a state prison in Los Angeles ...