Joseph Paul Franklin Is The Zodiac Killer: Initials In Cipher Keys

Sam Fisher
2 min readApr 11, 2022

NOTE: These initials are taken from the Zodiac Killers cipher key. If you are not sure what a cipher key is, it is basically the “key” to unlock a coded message. Franklins birth initials and given initials are in the cipher keys.

Franklin is the Zodiac: Cipher Key Initials

There are clues in the actual cipher keys in regards to Joseph Paul Franklin as the Zodiac and wanted to write about these clues.

Before we begin to look at his initials lets go over his names. He first had a birth name:

Birth Name: James Clayton Vaughn Jr

Assumed Name: Joseph Paul Franklin

First lets look at the 408.

Z408 Cipher Key

In the 408 we can see the F and J are together J = F : Joseph Franklin

The S = FK

Backward “C” = V : Clayton Vaughn

Interesting note: The T = LHI(circle symbol) it almost spells Hitler, but not quite.

Now lets look at the 340 or Z340 Cipher Key:

Z340 Cipher Key

In the 340 key we can see that F= F

The lack of J’s in both cipher keys is noteable in my opinion.

Look at the “S” and still we see that the initials for Joseph Paul or JP = S

Notice these are just in the actual cipher keys themselves his initials are scattered throughout the ciphers themselves I can get to that later though.

I do keep a log of most of what I write on a forum open to all to see:

Thank you for reading!

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