ZODIAC CIPHERS
RICHARD GRINELL, COVENTRY, ENGLAND
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THE SIGNATURE OF RIVERSIDE AND THE BAY AREA?

9/15/2023

 
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The Zodiologists website took a deep dive into the three Cheri Jo Bates letters mailed on April 30th 1967 and wrote "It can be reasonably assumed that the signature has a particular meaning beyond of just being a letter. If we should pick just one of the available options, we would say that the signature is a combination of the letter Z and the number 3. If it would be only the letter Z, there would be no need to write its top in flying-bird shape. The line at the bottom of the letter is straight. We also could not find a symbol that would resemble the signature. Therefore, we consider Z-3 as most plausible". 

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In the Confession letter, mailed on November 29th 1966, the author stated that Cheri Jo Bates was "not the first and she will not be the last", suggesting that the typist was claiming more than one victim. This conforms to the notion of a signature with an attached victim count, also displayed by the Zodiac Killer alongside his crosshairs in the numerous letters and cards he mailed. However, there is one communication that may have used a similar signature to that used in two of the Bates letters.

The Halloween card, mailed by the Zodiac Killer on October 27th 1970, gave us a victim count of "14" on the skeleton's hand, and fashioned the number fourteen as "4-TEEN", using the number "4" to express the word "four". The Zodiac Killer may have used the same tactic with the symbol on the envelope and card inner, using 4 dots to indicate that the "F" stood for "fourteen" rather then "fifteen". If the symbol on the Halloween card inner and outer denoted a victim count for a third time, we have the possibility of a joined "Z" and "F" denoting the fourteen victims claimed by the killer - extremely similar to the joined "Z" and "3" suggested by the Zodiologists website. If this hypothesis is true, it could indicate a common thread from Riverside to the Bay Area through the correspondence of a killer. It must also be noted that the Halloween card was the only confirmed communication to use the letter "Z" to denote the "Zodiac" pseudonym - and it used the letter "Z" twice - just like the two Bates letters (if you believe the premise). The Zodiac Killer also used the word "BY" in prominent positions four times within the Halloween card, mirroring the "BY" which headed both Confession letters. The use of a Halloween card to convey these similarities is pertinent to the fact that the body of Cheri Jo Bates was discovered on Halloween morning  

PictureThe signature on one of the Bates' letters
The Zodiac's Little List letter (July 26th 1970), believed by some to be the previous communication to the Halloween card, began his little list by misspelling "victim" to "victom", and wrote. "Some I shall tie over ant hills and watch them scream + twich and sqwirm". The Confession letter author began his little list by using the misspelling "victom", before typing "She squirmed and shook as I chocked her, and her lips twiched. She let out a scream once". The author of the Confession letter had a smaller list, but included "the beautiful blond that babysits near the little store" and "the shapely blue eyed brunett that said no when I asked her for a date". The Zodiac Killer could have fashioned the Little List letter and Halloween card to make journalists and/or law enforcement draw the conclusion he was responsible for the murder of Cheri Jo Bates in Riverside on October 30th 1966. This ultimately became the case, when Paul Avery presented the link in the San Francisco Chronicle on November 16th 1970, much to the dismay of law enforcement. 

The information regarding the Confession letters was readily available to the Zodiac Killer, when the Inside Detective magazine published a comprehensive article about Cheri Jo Bates in January 1969. However, the signature on two of the Bates' letters had not been published in the newspapers or magazines prior to October 27th 1970, making the possibility of two "Z's" and a victim count, deployed in Riverside and the Bay Area, through three communications and one killer, a viable proposition. If Riverside really was the Zodiac Killer, had he reset his victim total when switching from "Z" to the "Zodiac" pseudonym, beginning anew some 450 miles north? 


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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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