- Aug 9, 2001
- Reaction score
Also, serial killers aren't exactly a huge, or even small, proportion of the worlds' population, they're very rare and nowadays spree killing is the usual way to go for a mass murderer.
"Meanwhile, Thomas Hargrove of the Murder Accountability Project thinks that as of 2019, the U.S. alone had something like 2,100 unidentified serial killers running around. Author and former police detective Michael Arntfield thinks that the number could be as high as 4,000.
Obviously, we have no way to know for sure which of these undiscovered serial killers are most terrifying, because, well, they haven't been caught yet."
"Unidentified serial killers"
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