Mild-mannered office worker by day, torturer and serial killer by night, Richard Cottingham a.k.a. the Torso Killer, left a trail of mutilated bodies across New York and New Jersey.
Dubbed "The Meanest Man in America" Gaskins was a prolific killer who may have claimed over 80 victims. He conveniently divided these into "Serious Murders" (murders for profit) and "Coastal Kills" (murders committed for his own amusement).
One of America’s most notorious serial killers, John Wayne Gacy murdered at least 33 teenaged boys and young men in Chicago, Illinois, burying most of the bodies in the crawlspace under his house. Arrested in 1978, Gacy eventually went to the electric chair for his horrendous crimes.
He looked like a frail and kindly old man, but Albert Fish was actually one of America's most horrendous serial killers, a cannibal who preyed on children.
Known as “The Monster of the Andes,” Pedro Lopez preyed on young girls aged between 8 and 12. Arrested in 1980, he was convicted of 110 murders, although estimates of his death toll run as high as 300. Amazingly, Lopez served just eight years, before being released in 1998. His current whereabouts are unknown.
One of the UK’S most reviled serial killers, Robert Black (a.k.a. Smelly Bob) kidnapped, raped and murdered four girls aged 5 to 11 years, between 1981 and 1986. A diagnosed psychopath, he is also suspected of several unsolved child murders in the UK and mainland Europe, which he visited as a truck driver.
This depraved serial killer pair met in prison, where they hatched a truly horrific plan to kidnap, torture and rape teenaged girls. After their release they bought a Transit van which they dubbed “Murder Mack” and put their diabolical scheme into action.
Arguably Britain’s most hated killers, Ian Brady and Myra Hindley preyed on children, claiming five young victims between between July 1963 and October 1965.
Calling himself BTK (which stands for "Bind, Torture, Kill,”), Dennis Rader terrorized Wichita, Kansas over a period of two decades, committing 10 horrific torture murders, while sending taunting letters to the police.
Albert de Salvo took the fall but most experts now agree that he wasn't responsible for the 13 deaths attributed to this unnamed serial killer. So who exactly was the Boston Strangler?
The notorious Strangler of Rillington Place murdered at least eight women in the 1940s and early 1950s, burying their bodies in various places at his derelict London home.
Known as the Ruhr Hunter or the Duisburg Man-Eater, Joachim Kroll prowled the German cities along the Ruhr for over decades claiming 14 female victims, most of who were children.
A ferocious and unbelievably cruel sex slayer, Bonin haunted Southern California's highways for eight years, from 1972 to 1980, claiming as many as 44 young victims.
They called him the "British Jeffrey Dahmer," and with good reason. This deadly necrophile killed and dismembered at least 16 young men.
A deadly pair of miscreants who raped, tortured and murdered 10 female victims in Los Angeles during a 4 month period between late 1977 and early 1978.
A Ted Bundy prototype, 21 year old MU student John Norman Collins brutally murdered and mutilated seven young coeds between 1967 and 1969.