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List of 651 Serial Killers
Sorted by Most Years Active

This list of 651 serial killers has been sorted by the number of years the killer was active in his/her acts as a serial killer.

Years Active: the amount of time between his/her first kill associated with their serial killing spree. Some serial killers may have killed someone prior where the killers motives and/or methods were unrelated to the spree the killer is being documented as.

Page 18 of 44 ( 651 Killers )


#256

Vaclav Mrazek

7

Victims

6

Years

#257

Frankford Slasher

8

Victims

6

Years

#258

Keith Hunter Jesperson
Happy Face Killer

8

Victims

6

Years

#259

Timothy Krajcir
the Boogeyman in the blue bandana

9

Victims

6

Years

#260

Anatoly Utkin
Ulyanovsky maniac

9

Victims

6

Years

#261

Hwaseong killer

10

Victims

6

Years

#262

Peter Sutcliffe
Yorkshire Ripper

13

Victims

6

Years

#263

Dennis Nilsen
The Muswell Hill Murderer, the Kindly Killer

12

Victims

6

Years

#264

Sergei Ryakhovsky
the Balashikha Ripper, The Hippopotamus

19

Victims

6

Years

#265

Alexander Spesivtsev
The Cannibal of Siberia, The Novokuznetsk Monster

19

Victims

6

Years

#266

Khangayi Sedumedi
Century City Serial Killer

4

Victims

5

Years

#267

Miyuki Ishikawa
Oni-Sanba, Demon Midwife

85

Victims

5

Years

#268

Margaret Waters
The Brixton Baby Farmer

5

Victims

5

Years

#269

Lorenzo Fayne

6

Victims

5

Years

#270

Gerard John Schaefer
Killer Fiction

2

Victims

5

Years

Page 18 of 44 ( 651 Total )

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RECENTLY UPDATED
(Serial Killer)

Nathaniel White

6
VICTIMS

MOST CONFIRMED VICTIMS
(by a Serial Killer)

Luis Garavito

La Bestia, The Beast

147
VICTIMS

LONGEST YEARS ACTIVE
(as a Serial Killer)

John Floyd Thomas

Westside Rapist, The Southland Strangler

52
YEARS

Killer.Cloud the Serial Killer Database The Serial Killer Database

Killer.Cloud the Serial Killer Database, an ongoing research project which aims to sort and classify serial killers based on documented references from books written about serial killers as well as other online resources listed at the bottom of each killers profile page. View our most recent profiles on the list of recent serial killers, includes serial killers active between 2015 and 2025. To report an error or for general information you can find us on Twitter: @killerDOTcloud or Facebook: /killerDOTcloud

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