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Mark Olshaker
Author · 30 books
Mark Olshaker was a documentary filmmaker and the author of several award-winning crime novels. He produced the documentary film “The Mind of a Serial Killer,” which was nominated for an Emmy.
Author · 30 books
Mark Olshaker was a documentary filmmaker and the author of several award-winning crime novels. He produced the documentary film “The Mind of a Serial Killer,” which was nominated for an Emmy.