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[–] 4 points 3 months ago (1 child)

Did the definition of a serial killer change after the 1970s?

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  • [–] 9 points 3 months ago

    No. Forensic science improved, communications technology improved, and government-issued IDs became more difficult to forge.

    Once police agencies started communicating with each other and sharing evidence with each other, it became a lot more difficult to just disappear, move a few states away, and reappear as someone else with another name.

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