re: Is the serial killer obsolete today?

quote:

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Derek Todd Lee and Sean Gillis both operated for years in an era with DNA testing and increased surveillance.

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Not really....
Both killed their victims in early 90's to early 00's.
Cell phones weren't out or were archaic at that point. no GPS, no Camera, no Camera surveillance at every store/intersection.

Now DNA WAS around and being used, but hardly the mass databases that we have today.