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Latest / Just The Tip-Sters: True Crime Podcast

150. Smells Like A Warning Sign - Animal Cruelty, John Thompson And The Krystal Scott Case

57 years ago psychiatrist J.M. Macdonald wrote a paper published in The American Journal of Psychiatry entitled "The Threat to Kill," in which he proposed that there is a link between three childhood behaviors - persistent bed-wetting past the age of 5, an obsession with fire and fire-starting, and cruelty to animals - and violent behavior, most notably homicidal and sexually predatory behavior. This formula for criminal behavior has come to be known as The Macdonald Triad, and while the theory is still debated by criminologists and criminal psychologists to this day, statistics over time…

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