.

Ted Bundy - ENTJ  Richard Ramirez - ENTP  Richard Trenton Chase - INFP  Ed Gein - ISFP  Aileen Wuornos - ESTP  Ed Kemper - INTP  Columebine Killers (Eric Harris and Dylan Klebold) - INTJ and INFP, respectively  Joanne Dennehy - ESTP  Genene Jones (killed via Munchausen by proxy) - ESTJ  Richard Kuklinski - ISTP  John Wayne Gacy - ESTJ  Luka Magnotta - ENFJ Albert Fish - ISFP  Jeffrey Dahmer - ISFP  BTK (Dennis Rader) - ISTJ  Paul Bernardo and Karla Homolka: ESTP and ESFJ, respectively Charles Manson - ENFP  Jim Jones - ENFJ  Jodi Arias - ENFJ  Fred and Rose West - ESTP and ISFP, respectively (not as confident about this typing as the others) Graham Young - INTJ  Gary Leon Ridgway - ISTJ  The Silent Twins (not serial killers, but a very interesting psychological case) - both INFJs Colonel Russell Williams - ISTJ  Herbert Mullins - INFP  Osama bin Laden - Celebrity Types has him listed as INFJ, I’m pretty sure he;s INFP.  Ivan Milat - ISTP(?) Varg Vikerners - INTJ Anders Breivik - INTJ Andrew Cunanan - ENFJ The Unabomber - INTJ Ian Brady and Myra Hindley - INTP and ESFJ (not nearly as confident about this typing as I am about some of the others on here. Sada Abe (technically not a serial killer) - ISFP  Andrei Chikatilo - ISTJ

Interesting trends I noticed with respect to serial killers and MBTI type:

1. ISFPs are surprisingly over-represented among serial killers. They also tend to be the kind who are the biggest freaks ever and have the most bizarre, obscure fetishes (Ed Gein, Jeffrey Dahmer, Albert Fish, etc).

2. The vast majority of the female serial killers were passive-aggressive poisoning high Fe-types. However, both of the “true” female serial killers I found (who killed because they genuinely enjoyed and were aroused by it, lust killing in the same way that men do) were ESTPs (Aileen Wuornos and Joanna Dennehy).

3. Both of the INFP serial killers that I could identify had paranoid schizophrenia (Herbert Mullins and Richard Trenton Chase).

4. Eveybody thinks that INTJs were the quintessential serial killers, but in fact every INTJ killer that I managed to identify were not your typical serial killer - they were almost universally mass or spree killers who were doing it to send a message to society (Anders Breivik, the Unabomber, Eric Harris, Varg Vikernes, etc).

5. The serial killers who evaded capture the longest were usually ISTJs (BTK, Gary Leon Ridgway, Andrei Chikatilo, Russell Williams, etc) all got away with their crimes for 10+ years before they were caught.

6. All four of the cult leaders I typed, with the exception of one (Charles Manson) were ENFJs. Manson was an ENFP.

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