ZODIAC CIPHERS
RICHARD GRINELL, COVENTRY, ENGLAND
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WHY THE KEYS WERE PHOTOCOPIED IN THE EUREKA CARD

1/8/2021

 
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The Zodiac Killer had a propensity to tease us with his name, but he also mailed two communications in the form of postcards on March 22nd 1971 and July 13th 1971, where he teased us with the name of the victim he was claiming. The "Sierra Club" of the Pines card being the Sierra Club of Clair Tappaan Lodge on the northwest side of Lake Tahoe, in conjunction with the punch-hole, may be directional markers to the gravesite of Donna Lass.

The Monticello card of July 13th 1971 gave us the phrase "Near Monticello Shought Victims 21 ...... In The Woods Dies April". The card was insinuating the murder of Kathy Bilek in the woods of Villa Montalvo in Saratoga on April 11th 1971. The murder site was near the neighborhood of Monticello in San Jose, where one of Zodiac's previously claimed victims was buried. Kathy Snoozy was buried in the Oak Hill Memorial Park & Cemetery. The two pasted cards were probably clues to the victims he was claiming and the locations they were to be found. The Eureka card mailed in the December of 1990 was likely suggesting a third name. But on this occasion, the Zodiac Killer may have known the living victim (or at least known his name).

First brought to our attention on Tom Voigt's message board, the photocopied keys of the Eureka card were traced by the numbers on them to a post office box
and one eventual owner, who they called "Sam", but was later identified as Chester Clark Klingel who lived in Eureka. This is obviously relevant because the Christmas greeting card was postmarked Eureka, California. It has been speculated that the Zodiac Killer may have found the keys, which has some merit when you consider the Ancient Greek word of Eureka meaning "I have found". However, it's unlikely that these keys were just found on the street without the Zodiac Killer knowing the owner's identity, because the Eureka card was designed in such a way that it hinted at the name "Chester" by the contents of the card. He gave us clues to the names of Donna Lass and Kathy Snoozy in two previous cards, so why shouldn't he do it for a third time. Having noticed this possibilty, I was happy to see that somebody else had also touched on this idea on the Zodiac Killer message board, but it was sadly passed over. Nin stated "Another trivia, Chester Carlson, the inventor of xerography (xerox) spent 3 years at RCC, Riverside".   

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The Zodiac Killer may have been directing law enforcement to the home of Chester Clark Klingel in Eureka, with the photocopied keys and postmark. The Eureka card has the pre-printed message "From your secret pal, can't guess who I am yet? Well, look inside and you'll find out", challenging us to discover the name inside the card. The only way to discover the name was to identify the numbers on the keys. But why did the Zodiac Killer photocopy the keys? It could have been another clue to the owner of the keys, because as Nin highlighted:

Xerox was founded in 1906 in Rochester, New York, as The Haloid Photographic Company. It manufactured photographic paper and equipment. In 1938, Chester Carlson, a physicist working independently, invented a process for printing images using an electrically charged photoconductor-coated metal plate and dry powder "toner". However, it would take more than 20 years of refinement before the first automated machine to make copies was commercialized, using a document feeder, scanning light, and a rotating drum. Chester Floyd Carlson is best known for inventing electrophotography, the process performed today by millions of photocopiers worldwide. Carlson's process produced a dry copy, as contrasted with the wet copies then produced by the mimeograph process. Carlson's process was renamed xerography, a term that means "dry writing".

How likely is it, that the not so common name of "Chester" would be the inventor of a process used by millions of photocopiers worldwide, and would be the owner of at least one of the photocopied keys placed inside the Eureka card by the Zodiac Killer, while also living in Eureka, California in 1990. The card outer was now completed: "From your secret pal, can't guess who I am yet? Well, look inside and you'll find out". Chester. Chester Clark Klingel was seemingly ruled out as being the Zodiac Killer, so in all probability this was just another game by the Zodiac Killer, intending to misdirect law enforcement on yet another wild goose chase. But if he knew the name of Chester Clark Klingel when designing the greeting card, it may bring us a little closer to finding out who he was.


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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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