The true crime cult classic that inspired an upcoming Netflix documentary series and companion podcast, The Ultimate Evil follows journalist Maury Terry’s terrifying investigation into the true evil behind the Son of Sam murders.
On August 10, 1977, the NYPD arrested David Berkowitz for the Son of Sam murders that had terrorized New York City for over a year. Berkowitz confessed to shooting sixteen people and killing six with a .44 caliber Bulldog revolver, and the case was officially closed.
Journalist Maury Terry was suspicious of Berkowitz’s confession. Spurred by conflicting witness descriptions of the killer and by the Queens district attorney, who was convinced Berkowitz didn’t act alone, Terry spent decades researching, gathering evidence, and interviewing those involved in the case. He released his initial findings in the original publication of The Ultimate Evil in 1987, in which he presented his theory that Berkowitz was a member of the Process Church of the Final Judgment, a cult responsible for the Son of Sam murders, as well as other ritual murders across the country.
After Terry’s death in 2015, documentary filmmaker Josh Zeman, documentary filmmaker of Cropsey, The Killing Season, and Murder Mountain, followed leads Terry left for him, which form the basis of his 2021 docuseries with Netflix and a companion podcast.
Taken together with The Ultimate Evil, which includes a new introduction by Zeman, these works reveal the stunning intersections of power, wealth, privilege, and evil in America—from the Summer of Sam until today.
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“This book isn’t just about Son of Sam…It’s about an author who drove himself into the ground trying to make sense of some of the most brutal crimes in American history…I wasn’t able to put this book down—and neither will you.”
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Billy Jensen, author of Chase Darkness with Me