The first known American serial killer was Dr. H. H. Holmes, who targeted people visiting the Chicago World's Fair in 1890. He killed at least 27 people, and claimed to not be able to help himself.
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50 Facts about Serial Killers and Psychopaths
RandomJust a list I took from the internet cuz I figured maybe a lot of people don't use the internet very often so yeah. ( Credits : the internet )
