The following is probably better answered by Dave Oranchak, who recently, alongside Sam Blake and Jarl Van Eycke cracked the Zodiac 340 cipher from November 8th 1969. The correlation between the Halloween card and 340 cipher has long been considered, but is it a comparison that deserves any further attention in light of the encryption techniques used by the Zodiac Killer when designing his 340 cipher? Is the comparison between the two communications justified?
On October 27th 1970, the Zodiac Killer mailed the Halloween card with a configuration of "paradice" and "slaves" in cruciform. In each quadrant of this design we had four methods of death (knife, gun, fire and rope), preceded by the word "By". The "paradice" and "slaves" element can be shown to exist on the canvas of the 340 cipher, bisecting it both horizontally and veritically in a 17 by 17 formation, imitating the cruciform design within the Halloween card. The four "By" words are present in each quadrant of the 340 cipher. The writing on the envelope stamp of "In the beginning God" falls nicely into the beginning line of the 340 cipher, with the word "God" landing squarely over the ciphertext supplied by the Zodiac Killer. The LAV of Paul Averly on the envelope also appears to be underlined. And finally, we have the Zodiac pseudonym visibly present on the final line of the 340 cipher, albeit slightly altered. Almost as though he was signing the canvas of his masterpiece.
Did the Zodiac Killer provide two puzzles on November 8th 1969? A superficial design on the canvas of the 340 cipher akin to a design on the cover of a book, with a hidden message that lay beneath the imagery in the form of a cryptogram.
On October 27th 1970, the Zodiac Killer mailed the Halloween card with a configuration of "paradice" and "slaves" in cruciform. In each quadrant of this design we had four methods of death (knife, gun, fire and rope), preceded by the word "By". The "paradice" and "slaves" element can be shown to exist on the canvas of the 340 cipher, bisecting it both horizontally and veritically in a 17 by 17 formation, imitating the cruciform design within the Halloween card. The four "By" words are present in each quadrant of the 340 cipher. The writing on the envelope stamp of "In the beginning God" falls nicely into the beginning line of the 340 cipher, with the word "God" landing squarely over the ciphertext supplied by the Zodiac Killer. The LAV of Paul Averly on the envelope also appears to be underlined. And finally, we have the Zodiac pseudonym visibly present on the final line of the 340 cipher, albeit slightly altered. Almost as though he was signing the canvas of his masterpiece.
Did the Zodiac Killer provide two puzzles on November 8th 1969? A superficial design on the canvas of the 340 cipher akin to a design on the cover of a book, with a hidden message that lay beneath the imagery in the form of a cryptogram.
If the Zodiac Killer designed his 340 cipher key randomly by just allotting ciphertext characters to plaintext characters, what are the chances that all these above observations would fall out by chance and be highlighted a year later in the Halloween card design? However, if the Zodiac Killer began the 340 encipherment of the canvas first, with "paradice" and "slaves", "by", "God" and the near signature of Zodiac, he would be able to manipulate a superficial design onto the face of the 340 cipher before continuing to encode the rest of the message underneath. The "sorry no cipher" phrase written on the flap of the Halloween card envelope in cruciform, I wrongly concluded was a hint that the 340 cipher was not a genuine cryptogram. But was the "sorry no cipher" on the cover of the Halloween card somehow related to the cover of the 340 cipher?
The desire to unearth hidden meanings in the Zodiac communications is an insatiable one, that often leads to conclusions with no foundation or basis in reality (and the above interpretations may be one such example). Dave Oranchak would be able to shed much more light on the above comparisons made between the Halloween card and 340 cipher from a statistical standpoint, expanding upon the premise of a Zodiac Killer creating two puzzles for the price of one, or destroying the notion once and for all. It would answer the question of whether the Zodiac Killer created a superficial design and signed the canvas of his masterpiece cipher, or whether it is just a picture created in nothing more than the mind.
The desire to unearth hidden meanings in the Zodiac communications is an insatiable one, that often leads to conclusions with no foundation or basis in reality (and the above interpretations may be one such example). Dave Oranchak would be able to shed much more light on the above comparisons made between the Halloween card and 340 cipher from a statistical standpoint, expanding upon the premise of a Zodiac Killer creating two puzzles for the price of one, or destroying the notion once and for all. It would answer the question of whether the Zodiac Killer created a superficial design and signed the canvas of his masterpiece cipher, or whether it is just a picture created in nothing more than the mind.
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