Serial Killers IQ's


We would like to thank Michael G. Aamodt, Ph.D. for providing his research and contribution for "Serial Killers IQs".

According to sources, famous serial killers in America are criminals who are predominantly white males, from a lower-to-middle-class background, usually in their twenties or thirties. However, there are African-American, Asian, and Hispanic serial killers as well, and according to the FBI, based on percentages of the U.S. population, whites are not more likely than other races to be serial killers.

Famous Serial Killers


Famous serial killers are generally described as having IQs in the bright normal range, although they are more likely to have low/average intelligence. A sample of 174 IQs of serial killers had a median IQ of 93. Only serial killers who used bombs had an average IQ above the population mean.

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The majority of serial killers in America, tend to share the following characteristics:

  • Famous serial killers are often intelligent, with IQs in the bright normal range.
  • Often they have trouble staying employed. Usually, they have menial jobs as well. Despite these usual reports, the FBI, states, "Serial murderers often seem normal; have families and a steady job."
  • Other sources state: They often come from unstable families.
  • As children, they are often abandoned by their fathers and raised by domineering mothers.
  • Their families often have criminal, psychiatric and alcoholic histories.
  • They were often abused - emotionally, physically and/or sexually - by a family member.
  • They have high rates of suicide attempts.
  • From an early age, many are intensely interested in voyeurism, fetishism, and sadomasochistic pornography.
  • More than 60 percent wet their beds beyond the age of 12.
  • Many are fascinated with fire starting.
  • They are involved in sadistic activity or torturing animals.
  • They were frequently bullied as children.
  • Some were criminals involved in petty crimes, such as theft, fraud, vandalism, dishonesty or similar offenses.

The source of this information was used with permission from:

Michael G. Aamodt, Ph.D.

Professor Emeritus, Department of Psychology

Radford University, Radford, VA 24142-6946

Serial Killer Information Center

List of Famous Serial Killers in America

Keith Hunter Jesperson
Keith H. Jesperson
IQ 102
Albert DeSalvo
Albert DeSalvo
IQ 170
Alton Coleman
Alton Coleman
IQ Mildly Retarded
Andrew Cunanan
Andrew Cunanan
IQ 147
Bianchi Kenneth Alessio
Bianchi Alessio
IQ 116
Bobby Joe Long
Bobby Joe Long
IQ 118
Brian James Dugan
Brian James Dugan
IQ over 140
Carl Eugene Watts
Carl Eugene Watts
IQ 75
Carlton Gary
Carlton Gary
Genius IQ
Carroll Edward Cole
Carroll Edward Cole
IQ 152
Charlene Williams
Charlene Williams
IQ 160
Charles Manson
Charles Manson
IQ 109
Coral Eugene Watts
Coral Eugene Watts
IQ 75
Daniel Blank
Daniel Blank
IQ 85
Danny Rolling
Danny Rolling
IQ 89
David Berkowitz
David Berkowitz
IQ 118
David Carpenter
David Carpenter
IQ 125
David Copeland
David Copeland
IQ 126
Derrick Todd Lee
Derrick Todd Lee
IQ 91
Edmund Emil Kemper
Edmund E. Kemper
IQ 145
Edward Theodore Gein
Edward T. Gein
IQ 106
Gary Heidnik
Gary Heidnik
IQ 130
Gary Ridgway
Gary Ridgway
IQ low 80's
Glen Edward Rogers
Glen Edward Rogers
IQ 76
Hadden Clark
Hadden Clark
IQ Low AVG
Harold Shipman
Harold Shipman
IQ 140
Harvey Glatman
Harvey Glatman
IQ 130
Henry Lee Lucas
Henry Lee Lucas
IQ 89
James Michael DeBardeleben
James DeBardeleben
IQ 127
Jeffery Dahmer
Jeffery Dahmer
IQ 145
Jerome Brudos
Jerome Brudos
IQ Average
Jesse James Cummings
Jesse Cummings
IQ 81
Joel Rifkin
Joel Rifkin
IQ 129
John Christie
John Christie
IQ 128
John Joubert
John Joubert
IQ 123
John Straffen
John Straffen
IQ 64
John Wayne Gacy
John Wayne Gacy
IQ 118
Jon Scott Dunkle
Jon Scott Dunkle
IQ 90
Joseph Kallinger
Joseph Kallinger
IQ IQ 84
Juan Corona
Juan Corona
IQ 130
Keith Hunter Jesperson
Keith H. Jesperson
IQ 102
Kenneth Allen McDuff
Kenneth A. McDuff
IQ 92
Kristen H Gilbert
Kristen H. Gilbert
High IQ
Larry DeWayne Hall
Larry DeWayne Hall
IQ 80
Lawrence Bittaker
Lawrence Bittaker
IQ 138
Lesley Eugene Warren
Lesley Eugene Warren
IQ 115-125
Michael Ross
Michael Ross
IQ 122
Nathan Leopold
Nathan Leopold
IQ 210
Patrick McCullough
Patrick McCullough
IQ 120
Randy Kraft
Randy Kraft
IQ 129
Richard Danny Starrett
Richard D. Starrett
IQ 124
Richard Francis Cottingham
Richard F. Cottingham
IQ AVG
Richard Loeb
Richard Loeb
IQ 160
Richard Trenton Chase
Richard T. Chase
IQ 95
Robert Hansen
Robert Hansen
IQ 81
Robert Willie Pickton
Robert Willie Pickton
IQ 86
Rory Conde
Rory Conde
IQ 109
Ted Bundy
Ted Bundy
IQ 124
Tommy Lynn Sells
Tommy Lynn Sells
IQ 80
Wayne Adam Ford
Wayne Adam Ford
IQ 117


IQ test for kids
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