The obsessive amateur code-breakers hoping to crack the Zodiac killer’s cipher

Nearly four decades ago, the Zodiac Killer terrorized the Bay Area, taunting newspaper readers with coded clues to his identity. Online codebreakers are still battling his final puzzle.

 

Rick Paulas

Tech

Posted on May 22, 2016   Updated on May 26, 2021, 5:58 pm CDT