Zodiac 340 Cipher Finally Solved

The cipher belonging to the famous American serial killer commonly known as the zodiac killer (Arthur Leigh Allen) who is believed to have murdered six people, primarily in northern California, between 1966 and 1969 has finally been solved.

The 1969 cipher ‘puzzle’ was solved by a team of coding experts from the United States, Australia and Belgium. Below is the message revealed:

The message revealed from the cracked cipher

For the step by step process involved in solving the cipher, check the video below as David Oranchak (code-breaking expert who has been working on the Zodiac’s codes for years) explain it: