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‘Mindhunter’ John Douglas Talks About His True Crime Book Collaborations With Author Mark Olshaker
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‘Mindhunter’ John Douglas Talks About His True Crime Book Collaborations With Author Mark Olshaker

John Douglas and Mark Olshaker have worked together to document Douglas' storied career as a criminal profiler with the FBI. Their work together includes books like "Mindhunter," "The Killer Across the Table," and now "When A Killer Calls."