• See FBI Suggestions.
  • I and I with a curly bottom in the 408-cipher were replaced with an I with a dot on the left and an I with a dot on the right. The Zodiak Killer most likely did this to prevent confusion.

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.