ZODIAC CIPHERS
RICHARD GRINELL, COVENTRY, ENGLAND
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INCLINE VILLAGE BY PHONE AND POSTCARD

7/8/2025

 
PictureDonna Ann Lass (25)
Many people have questioned why the Zodiac Killer had latched onto the murder of Donna Lass (25) in South Lake Tahoe after she was abducted from the Sahara Tahoe Hotel & Casino on September 6th 1970, when he authored the Pines postcard on March 22nd 1971. Most of his threats centered around San Francisco and the Bay Area, so why did he infer his involvement in the disappearance of Donna Lass, who lived 165 miles away from Vallejo in Stateline, Nevada? Had the Zodiac Killer any previous and/or current connections to this area, that either drew his attention to her case in the newspapers, or did he abduct and murder the young nurse because he had a specific reason to be at that location in September 1970?

​The Zodiac Killer may have chosen Donna Lass as a victim because it was an area he frequently/occasionally visited for business, or had spent some of his time vacationing at Lake Tahoe. As previously mentioned, the Pines postcard mailed on March 22nd 1971 may not have been the first time the Zodiac Killer targeted South Lake Tahoe, when for several weeks in November 1969, during the height of his "bombing campaign" in San Francisco, several telephoned threats to school bus routes in Lake Tahoe were issued to Reno authorities, including Incline Village which became the centerpiece of his Pines card over a year later. The Zodiac Killer used a Forest Pines at Incline Village advertisement from the newspapers to attach to his postcard on March 22nd 1971. So what are the options?​

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SACRAMENTO BEE, NOVEMBER 24TH 1969
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​Were the November 1969 threats to Lake Tahoe a hoaxer, who decided that the best way to convince law enforcement and the newspapers he was the genuine Bay Area murderer, was to target school buses around Incline Village, 207 miles from San Francisco? The obvious choice for a hoaxer aiming to convince police he was the genuine article, was to continue the threats in San Francisco or the Bay Area.

​However, if the threats were from the Zodiac Killer himself, then branching his terror beyond the Bay Area to spread fear into the wider community (especially somewhere he was familiar with), appears to be something that would satisfy his ego. If these threatening calls to Lake Tahoe occurred in the weeks before the above published newspaper article, then the calls were likely placed between November 3rd 1969 and November 23rd 1969 (if few weeks was a maximum of three). The Zodiac Killer's "Bus Bomb" letter was mailed on November 9th 1969.

​Is it possible that a hoaxer local to the Lake Tahoe area made the threatening calls to generate some "excitement" in the location they lived, which then featured in a Sacramento newspaper on November 24th 1969 and was stumbled across by Zodiac in March 1971, who decided to mail the Pines card with an Incline Village advertisement so as to capitalize on the threats to school buses from 16 months earlier? Is that a realistic scenario, bearing in mind that Donna Lass lived in San Francisco and worked at the Letterman General Hospital in Presidio Park (that Zodiac escaped into), before moving to South Lake Tahoe where she was abducted and murdered. The common thread being the Zodiac Killer.

​Isn't it more likely that the Zodiac Killer made the school bus threats to Lake Tahoe in 1969 because he had some connection to that area, which is why the disappearance of Donna Lass just over nine months later, on September 6th 1970, triggered his interest? He may have decided to claim his involvement in her disappearance (and murder) to continue the theme of Lake Tahoe, and thereby bolster his earlier threats as genuine. If his connection to the Lake Tahoe area was a viable one in 1969, then it is not without merit that he could be responsible for the young 25-year-old nurse's murder, Especially if the Zodiac Killer was familiar with Donna Lass (either directly) or through her friend, Jo Anne Goettsche, whom she lived with at 4122 Balboa Street in San Francisco during the Paul Stine murder (10/11/69). Jo Anne Goettsche had moved to 225 Mallorca Way in the Marina District in 1970 - an area Zodiac appeared to be heading towards as he traveled through Presidio Park on October 11th 1969. Could the Zodiac Killer have known (or become aware) of Jo Anne Goettsche's plans to travel from San Francisco to South Lake Tahoe to visit Donna Lass late on the evening of September 6th 1970? The timing of her disappearance less than 24 hours earlier may be significant. It's extremely unlikely that the Zodiac Killer got wind of Jo Anne Goettsche's intentions, but stranger things have happened.     

Officers in Lake Tahoe discounted the caller's claim that he was the Zodiac slayer, but I wonder what the same officers thought sixteen months later, on March 22nd 1971? 

EXTRA READING: WALKING TOWARDS THE MARINA DISTRICT  

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FOREST PINES AT INCLINE ADVERTISEMENT, PASTED ONTO THE PINES POSTCARD

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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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