The average organized serial killer possesses a completely normal IQ of ninety-eight
Research into the cognitive abilities of serial offenders reveals that 'organized' killers typically possess a completely average IQ of 98, debunking the popular myth of the criminal mastermind.
The archetype of the genius serial killer is a statistical fallacy, as the average IQ for organized offenders—those who meticulously plan their crimes—sits at a perfectly normal 98.7. A study of 202 serial killers found a median IQ of only 89, with 'disorganized' offenders, who leave chaotic crime scenes, averaging even lower at 89.4.
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