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Richard Grinell, Coventry, England
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THE ANSWER, ORGANIZATION AND STRUCTURE OF THE SIX UNSOLVED CODES

11/22/2019

 
THE 340 CIPHER WAS CRACKED ON DECEMBER 3RD 2020 BY DAVE ORANCHAK, SAM BLAKE AND JARL VAN EYCKE, SO THIS EARLIER ARTICLE SHOULD BE VIEWED IN RESPECT TO RECENT DEVELOPMENTS.
PictureDonald Harden. The 408 Cipher remains 95.6% solved.
The Zodiac Killer gave us the answers to his six unsolved ciphers by March 13th 1971 without ambiguity, but effectively gave us all the answers by October 27th 1970. It is important to read Three Months After the Mount Diablo Code to understand all of the following, but I shall give a very brief recap. The Zodiac gave us the answer to the Mount Diablo code (32 symbol Cipher} in the Little List Letter on July 26th 1970. In fact, he gave us the answer word for word, in the form of Radians and 5 inches along the radians (all we had to do was add the number 5 where he placed the arrow and hashtag}. The 13 Hole Postcard on October 5th 1970 gave us the answer to the 13 Symbol Cipher word for word, in the form of Fk I'm crackproof. The Halloween Card on October 27th 1970 gave us the answer to the 340 Cipher word for word, in the form of Paradice and Slaves. No mathematics was required and no manipulation was needed - all we had to do, was use the three phrases that Zodiac provided us with in three consecutive communications, to answer the three previously unsolved ciphers. But that wasn't all. The Zodiac gave us the answer to both the Fairfield Letter codes of December 7th and 16th of 1969, again word for word using the Halloween Card. The 18 unsolved characters in the 408 cipher he again gave us the solution word for word, using the trinity of communications on July 31st 1969 and following letter on August 4th 1969, when he revealed his pseudonym to the world. However, there is even more.

The Zodiac Killer's 408 Cipher was effectively a written message that he enciphered into characters. When you take a look at the decoded message, it isn't structured and organized - because one line or row bleeds into the following. The Zodiac Killer didn't contain his words within the confines of one row. For example, when he opened the cipher with "I like killing people", the letter E is positioned at the beginning of the second row. This randomness is not displayed in the answers to his remaining six unsolved portions of code. The answer to the 18 unsolved characters, the 340 Cipher, the two Fairfield letters, the 13 Symbol Cipher and the 32 Symbol Cipher are all organized and deliberately structured, where every single solution and word is contained within each line - and does not leak from one row to another. Let us take a look at the 13 Symbol Cipher that exhibits symmetry within its design.             


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I don't have to explain the above, because its structure and symmetry is there for all to see. The Zodiac Killer had already responded to prompts by Vallejo Police Chief Jack Stiltz to send more details to prove the letter writer and killer were one and the same. The more the Zodiac Killer wrote, not only lessened his time for killing, but may have provided additional clues to detectives regarding his identity. This tactic was likely adopted by Professor D.C.B. Marsh in the October 22nd 1969 San Francisco Examiner newspaper article by Will Stevens, which laid down a challenge to the Zodiac Killer to reveal his name. The newspaper stated Dr Marsh told the Examiner today: "The killer wouldn't dare, as he claimed in letters to the newspapers, to reveal his name in the cipher to established cryptogram experts. He knows, to quote Edgar Allen Poe, that any cipher created by man can be solved by man. Zodiac has not told the truth in his cipher messages to the Examiner, the Chronicle and the Vallejo Times-Herald. Zodiac has not done this, because to tell the complete truth in relation to his name -in cipher code - would lead to his capture. I invite Zodiac to send The American Cryptogram Association a cipher code - however complicated - which will truly and honestly include his name".

The above invitation by Dr. Marsh, quoting Edgar Allen Poe, was met with the 13 Symbol Cipher that mirrored a code used in Poe's A Few Words on Secret Writing. The alphabet being split A to M, and N to Z. The 13 Symbol Cipher began with A and ended with M. So it was logical to place the alphabet alongside the 13 Symbol Cipher and see if any patterns emerged by counting the numerical difference between corresponding characters. This resulted.
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I don't want to labor the point again, so for a full explanation please visit the article Embedded Symmetry  Suffice to say, that when the Zodiac's solution or answer to the 13 Symbol Cipher was inserted into the code above, it showed an organized and structured pattern without a word bleeding from one end of the cipher to the other. The Zodiac Killer gave us the cyclical solution of Fk I'm crackproof on October 5th 1970, and followed this up with the line "This is the Zodiac speaking Like I have allways said, I am crack proof" on March 13th 1971. But in the Los Angeles Letter you will notice he separates "crackproof" to "crack proof", exactly how it is found in the 13 Symbol Cipher. It does not bleed from the end of the cipher to the start.
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The first 8 begins FK. The second 8 begins IM. The third 8 begins CRACKPROOF. But CRACK and PROOF are separated, without either word being fragmented. The FK and IM also fit nicely around the existing K and M in the cipher. The cipher solution maintains an organized and symmetrical appearance. The introduction on the April 20th 1970 letter now read "This is the Zodiac speaking. By the way have you cracked the last cipher I sent you? My name is Fk, I'm crackproof". He was leading us into the belief these were his initials.
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The Paradice and Slaves configuration from the Halloween Card to the 340 Cipher also exhibited form, with Paradice exactly bisecting the columns of the 340 Cipher, and Slaves exactly bisecting the rows of the 340 Cipher in a 17 X 17 pattern. Each word contained within a row or column. The Halloween Card envelope providing us with "sorry no cipher" in a cross formation, not only telling us that the 340 wasn't a standard cipher, but the design of the 340 was to be found in a cross formation.

The 32 Symbol Cipher also adhered to a solution where no word bled from one row to another. The 32 Symbol Cipher contained two rows of 17 and 15 characters - obviously created this way for a purpose. When we discovered that the number 5 was to be inserted into the cipher using the arrow and hashtag, the answer of Radians and 5 inches along the radians again fell perfectly into the 32 Symbol Cipher with no word extending from one line to another. You will notice that when the Zodiac Killer provided us with the answer in the July 26th 1970 Little List Letter, he self-contained the answer on a separate line, with the first Radians beginning with a capital letter. This was the beginning of the code solution.

"PS. The Mt. Diablo Code concerns Radians and # inches along the radians" was in fact Radians and 5 inches along the radians. When this is placed into the 32 Symbol Cipher, you will notice that once again it retains separation, with "inches" ending line one, and "along" beginning line two. Each word is contained within the line. This organization and structure flies in the face of the solved portion of the 408 Cipher and implies a deliberate and calculated design. But we need to take it even further.

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Explained in greater detail in the article The Answer to the Z38 Code, the structure of the Zodiac 38 character cipher was pointed out. The code below has been structured with different character counts on each line (unlike the 408 and 340 ciphers), but is instead arranged in a formation of 12 characters on line one, 7 characters on line two, 5 characters on line three, 6 characters on line four and 8 characters on line five. This may suggest that the words are contained separately on each line, without running from one line to another. We would expect Slaves and Paradice to be grouped together - and the last two lines satisfy this character count of 6 and 8. We then have three lines remaining of 12, 7 and 5 characters. By Gun satisfies the 5 characters, By Knife satisfies the 7 characters, and By Fire, By Rope satisfies the 12 characters. This forms the basis of the completed 38 character code solution, mimicking the second Fairfield Letter design and the exact wording on the Halloween Card configuration. Furthermore, no word extends from one line to another, exactly as displayed in the above codes.
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So far (including the Tim Holt comic book unearthed by Tahoe27), every single solution or answer to the ciphers can be achieved using the exact words employed by Zodiac from three consecutive communications spanning July 26th 1970 to October 27th 1970. [1] Radians and 5 inches along the radians [2] Fk I'm crackproof [3] Paradise and Slaves, and [4] By Fire, By Gun, By Rope, By Knife, Paradice and Slaves. And none extend or bleed into another line, or from end to beginning in the 13 Symbol Cipher. That is five ciphers down with one to go. 
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The Zodiac Killer claimed that his 408 Cipher contained his identity or pseudonym. What was important to the Bay Area murderer was the structure exhibited by all the above codes. The characters he used were of no particular significance, because they weren't designed to be solved without future Zodiac input. This input came towards the end of his letter writing campaign, when he supplied us all the answers in just three consecutive communications. He was effectively wrapping up business. There was no way a man with such an inflated ego and inability to resist writing to the newspapers, could keep the secret to his ciphers for upwards of five decades. The answer to the 408 Cipher was given to us in just four days, contained in the trinity of July 31st 1969 letters and the August 4th 1969 'Debut of Zodiac' Letter. He claimed his identity was in the 408 cipher - and we know his identity was "Zodiac" because he gave us his pseudonym. All we then had to do, was fit Zodiac around the declaration of who he was. 

Initially, the Zodiac Killer had intended to leave 12 characters at the base of the 408 Cipher, but his accidental omission of the word "people" when he encoded his message, inadvertently left him with 18 unsolved characters. However, this was of no consequence - it was an easy adjustment. You will notice again, that the unsolved 18 characters are split into an ungainly 1 and 17 configuration. If we are to hold true to single words not bleeding from one line to another, then the single character must stand for I or A. We know that the Zodiac Killer was an egotist, beginning the 408 Cipher with "I like killing people because it is so much fun". He also began two of the July 31st letters with "I am the killer". So it wouldn't be any great leap of faith to believe that the isolated singular character on line 23 was "I". Coupling the "Zodiac" with "I am the killer" to produce "I am the Zodiac Killer" satisfies his declaration of identity and the 18 characters at the base of the 408 Cipher. We again have used only the words written by the Zodiac Killer - and no word extends from one line to another. The third of code containing his identity was mailed to the San Francisco Chronicle, which is why he began that introduction with "This is the murderer". He was reserving "I am the Zodiac Killer" for the base of the 408 Cipher.  

We now have six unsolved portions of code answered, using only the words written by the Zodiac Killer in a total of four communications. Every single answer was organized and structured to remain within each row, line and column with no manipulation whatsoever. We can wait another 50 years for these codes to be "solved" - or believe they were all answered by October 27th 1970 from the pen of the Zodiac Killer.

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BB
11/22/2019 04:21:33 pm

For me the best fit for the 18 seems to be "I like killing people"

And the rest "Because it is so mudh fun" - the word "much" was purposely misspelled to put the "d" next to the "h" for Donald Harden

https://its-all-in-the-mind-you-know.tumblr.com/post/134516486678/zodiac/amp

Also Don Harden may have had his eye scratched by CJB

Also Don died on March 7th - Daliday

He was born on 3:16 (the most quoted bible verse)

Richard
11/22/2019 04:45:50 pm

The reason I placed "I am the Zodiac Killer" in the last 18 slots, is because we are presumably looking for his identity. He stated in the Chronicle "in this cipher is my idenity"- and because it wasn't present in the 390 characters - one would presume that if he was telling the truth, it would be present in the final 18 characters. There was actually no point in lying because his identity is not the same as his name. If he placed "I like killing people" then he would just be repeating the first line. The only reason I'm taking Zodiac at face value in giving us his identity in the final line, is because 4 days later he stated "when they do crack it, they will have me". Who was me? Me was Zodiac.

Rubislaw 32 link
11/23/2019 01:20:28 pm

Nicely spotted,on the '' 3:16 '' , BB.

As I have highlighted,in the past,with the unconfirmed Fairfield letter,of December 16th 1969 ( ...This state is in trouble...) :

There appears to be a numerical puzzle to solve,with the presumed Zodiac's list ( ...I will kill in...).With the Zodiac's own arrowed correction,we are confronted with :

'' 3168938 ''

On a basis of rudimentary alphabetic substitution,this holds equivalence to :

'' CAFHICH ''

I have ventured two solutions :

Either : '' Cafe Hitchhikers '' (....as victims ( ? )...)

Or : '' Calif.Highway Choppers '' (...the California Highway Patrol..)

Or....a ''dual'' solution of ambiguity ( ? ).

So, '' 316 '' may have more significance,than on first inspection.

Rubislaw 32 link
11/23/2019 01:41:29 pm

King James Bible :

John 3:16 :

'' For God so loved the world that he gave his one and only son...''

Rubislaw 32 link
11/23/2019 05:44:54 pm

Could be a third interpretation of '' CAFHICH '' :

'' California Hitchcock ''

The 1960 Alfred Hitchcock film '' Psycho '' centered around a motel,owned by Norman Bates,in a fictional town,called '' Fairvale '',in California.

The film is regarded as having started the genre of ''Slasher Movies''.

It was filmed,largely on location,in Santa Barbara,CA.

BB
11/23/2019 05:40:19 pm

Richard - I finally get "I am the Zodiac Killer" in the last 18 slots.
It takes some going over and getting used to. But, I see what you're saying. It makes more sense. Your idea is clearly better. Peace

Addendum for Rubislaw 32
888 is the opposing value to 666.
Born on 3:16 could have got in Don's head.
He then would think he was the 2nd coming of Jesus(888)
https://en.wikipedia.org/wiki/888_(number)
There are exactly 888 trees with four unlabeled and three labeled nodes, exactly 888 seven-node undirected graphs without isolated vertices, and exactly 888 non-alternating knots whose crossing number is 12 - (Jesus had 12 apostles, the Zodiac 12 astrology signs)
I think Bettye Harden was not alone in her mental illness. She was an astrologist, born in 1924. 24x37=888 Cops 0 Zodiac 37

Rubislaw 32 link
11/24/2019 02:04:10 am

As an extra thought on possible Zodiac influences,and the Zodiac,as an

''undoubted'' film buff :

The French-Algerian political thriller, '' Z '', was the 12th highest grossing film ,in the US, in 1969.

'' Z '' went on to win the Oscar,for best foreign languages film of the year.

BB
12/7/2019 09:25:47 am

Throwing ideas out there. On the Concerned Citizen Card
Don Harden lead on that the "criptogram" business was just a passing interest.
That was a lie. Also as a cipher expert he knew how to spell cryptogram.
This misspelling "cripto" hypothetically is CFC1B which has oncogene potential.
Cryptic family protein 1B is a protein that in humans is encoded by the CFC1B gene.
An oncogene is a gene that has the potential to cause cancer. From Wikipedia
Melvin Belli's client Jack Ruby died of a fast acting cancer on January 3, 1967 Daliday.

Larisa
1/22/2020 12:02:46 pm

interesting.


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    The Zodiac Killer may have given us the answer almost word-for-word when he wrote PS. The Mt. Diablo Code concerns Radians & # inches along the radians. The code solution identified was Estimate: Four Radians and Five Inches To read more, click the image.
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