Mark Olshaker
Mark Olshaker is a novelist, nonfiction author, and Emmy Award-winning filmmaker. He has written and produced numerous documentaries, including the Emmy-nominated PBS NOVA program Mind of a Serial Killer.John E. Douglas is a former FBI special agent,
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Mark Olshaker is a novelist, nonfiction author, and Emmy Award-winning filmmaker. He has written and produced numerous documentaries, including the Emmy-nominated PBS NOVA program Mind of a Serial Killer.
John E. Douglas is a former FBI special agent, the Bureau’s criminal profiling pioneer and one of the creators of the Crime Classification Manual. He is currently a consultant on criminal investigative analysis and the author, with Mark Olshaker, of Journey Into Darkness, The Anatomy of Motive, The Cases That Haunt Us, and Law & Disorder, among others.
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