The Zodiac Killer had sent the cipher in three parts to three local ... That phrase, specifically, provided the key because of the text that had already been decoded at that point.

In 2021, Fayçal Ziraoui claimed that by using the key ... the Zodiac supposedly revealed his name and the location where a bomb was hidden. Ziraoui suggests the killer used the "340 cipher ...

ForbesZodiac Killer Cipher Finally Cracked After 51 Years, And It’s As Chilling As You’d ExpectBy Nicholas Reimann Netflix’s new three-part documentary, This Is the Zodiac Speaking ...