The identity of the serial killer known as 'The Zodiac' has been confounding investigators for nearly fifty years, but an unlikely and unconventional theorist may have finally shed light to America's most famous cold case by asking a question that no one else has ever dared ask: what if the reason the Zodiac has never been caught... is because he never existed in the first place?

• Andrew Nock
• Michael Butterfield
• Frank Falzon
• Judy Ho