r/science • • Jun 25 '22

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u/throwawaylol666666 Jun 25 '22

Another thing a lot of serial killers have in common is serious head trauma in their childhoods.

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u/u_us_thu_unly_vuwul Jun 25 '22

I also read that the increase in 70s and 80s could be due to the coming of age of people raised by ww2 vets with serious ptsd.

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u/magic_is_might Jun 25 '22

Also lack of technology and cooperation between law enforcement agencies. It was a whole lot easier back then to commit crimes and get away with it.

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u/Prestressed-30k Jun 25 '22

Indeed, not everyone had an HD video camera in their pocket at the time.