Listen to the ZODIAC: A TO Z podcast trilogy “UNSUB” examining the various descriptions of the killer, the psychological profile, and the signature of the Zodiac. Episodes of the ZODIAC: A TO Z podcast are available for free on iTunes, Spotify, Apple podcasts, and many other providers. CLICK HERE for a list of radio and podcast interviews featuring Michael Butterfield, owner of ZodiacKillerFacts.com.

Radio host and author Alan R. Warren has published a book of his Zodiac-related interviews for the House of Mystery radio show on NBC News Radio. This book features an interview with David Oranchak of ZodiacKillerCiphers.com, as well as interviews with several Zodiac theorists who believe that they have solved the case. Michael Butterfield wrote the foreword and a bonus chapter about the new solution to the Zodiac’s 340 symbol cipher. The book Zodiac Killer Interviews is now available at Amazon and formatted for Kindle, Nook, and other readers. Alan Warren and Michael Butterfield discuss the new solution to the Zodiac’s 340 cipher in an episode of the NBC radio show HOUSE OF MYSTERY. Read the behind-the-scenes story of the solution to the Zodiac’s 340 cipher (as solved by David Oranchak, Sam Blake, and Jarl Van Eycke) in the ZodiacKillerFacts article BREAKING NEWS: The Zodiac’s “340 Cipher” has been solved.

The “Zodiac” mystery is the subject of a 15-episode podcast titled MONSTER: THE ZODIAC KILLER featuring Michael Butterfield – Click here to learn more.

CONTACT INFO: This site welcomes contributions and information from other sources. If you have information about the Zodiac case, or would like to contact the owner of this site, please send an email to contact@zodiackillerfacts.com, and please allow time for a response. Thank you.

The History Channel Documentary MysteryQuest features the original investigators assigned to the Zodiac case, including Ken Narlow of the Napa County Sheriff’s Office, Ed Rust of the Vallejo Police Department, Pierre Bidou of the Benicia Police Department, with criminalist Paul Holes, Chief Forensic Services Division of the Contra Costa Sheriff’s Department, and writer Michael Butterfield.

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