Unspeakable Crimes The Most Terrifying Serial Killers Who Were Never Caught  

Christopher Shultz
50.3k votes 18.5k voters 516.8k views 15 items

List Rules Vote up the scariest murderers who evaded police capture

We know the true names of several vicious and frightening serial killers, names which have entered into our collective cultural consciousness—infamous names like John Wayne Gacy, Ed Gein, Ted Bundy, Jeffrey Dahmer, Henry Lee Lucas, Ottis Toole, Dennis Rader (AKA BTK), and Gary Ridgeway (AKA The Green River Killer).

But what of those killers out there who, like Rader and Ridgeway, have fairly infamous killer nicknames, but whose true identity remains a mystery? Arguably, these killers are far more terrifying than the names listed above because we still know very little about them, least of all their real names. From world-renowned figures like Jack the Ripper and the Zodiac Killer, to lesser-known, but no less horrific murderers like Servant Girl Annihilator and the Monster of Florence, these unknown serial killers captivate our imaginations, and thus gain access to our worst nightmares.

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The Zodiac Killer was a serial killer who operated in northern California in the late 1960s and early 1970s. The killer's identity remains unknown. The Zodiac murdered victims in Benicia, ...more

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5,953 2,695
Jack the Ripper is the best known name given to an unidentified serial killer or killers active in the largely impoverished areas in and around the Whitechapel district of London in 1888. The ...more

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2,388 1,177
The Original Night Stalker is the name given to an unidentified serial killer and rapist who murdered at least ten people in Southern California from 1979 through 1986. The crimes initially ...more

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3,674 1,852
Highway of Tears Killer

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2,179 1,074
The Axeman of New Orleans was a serial killer active in New Orleans, Louisiana, from May 1918 to October 1919. Press reports during the height of public panic about the killings mentioned ...more

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1,942 950
The Long Island serial killer is an unidentified suspected American serial killer who is believed to have murdered 10 to 17 people associated with the sex trade over a period of nearly 20 years ...more

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1,992 977
The Oakland County Child Killer is an unidentified serial killer responsible for the murders of four or more children, two girls and two boys, in Oakland County, Michigan, United States in 1976 ...more

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1,840 912
The Cleveland Torso Murderer was an unidentified serial killer who killed and dismembered at least 12 victims in the Cleveland area in the 1930s.

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1,276 713

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A serial killer, popularly known as the Servant Girl Annihilator, preyed upon the city of Austin during the years 1884 and 1885. The series of murders was referred to by contemporary sources as ...more

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924 530
"Freeway Phantom" was the name given to an unidentified serial killer known to have abducted, raped and strangled six female youths in Washington, D.C. from April 1971 through ...more

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1,233 739
The Monster of Florence

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1,195 750
Redhead Murderer

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907 585
The Colonial Parkway Killer was an apparent serial killer believed to have murdered at least eight people along the Colonial Parkway of the U.S. Commonwealth of Virginia between 1986 and 1989. ...more

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895 596
The New Bedford Highway Killer is an unidentified serial killer responsible for the deaths of nine women and the disappearances of two additional women in New Bedford, Massachusetts, between ...more