The center of the red circle is 246.2 degrees, showing the inaccuracy of the crude drawing by Zodiac On June 26th 1970 the Zodiac Killer mailed a Phillips 66 map with the instructions "the map coupled with the code will tell you where the bomb is set". He claimed he had buried a bomb. A month later another communication was sent with extra clues of "The Mt. Diablo Code concerns Radians & # inches along the radians" and crosshairs with a bold, black circle positioned at close to 4 radians set to Magnetic North (246.2 degrees). When the Zodiac Killer mailed the Pines postcard on March 22nd 1971 he used a punch-hole (another circle) and the wording "Sierra Club", "pass.Lake Tahoe areas" and "around in the snow", coupled with an advertisement of Incline Village, to probably direct us to the burial site of Donna Lass.
Using measurements between the "Sierra Club" pasting and the punch-hole (after inverting the postcard), I was able to determine that the 1.96 square mile punch-hole around Yuba Gap captured the location of the jawbone of Donna Lass, discovered on December 31st 1985. This suggested that the author of the Pines postcard knew where the remains of Donna Lass were. If the circles in both instances were the location of a buried mystery that we had to solve, could the Zodiac Killer have added another layer to the Pines postcard to identify the burial site of Donna, similar to the June 26th and July 26th 1970 letters? In other words, did the Zodiac Killer bury Donna Lass at a specific location west of Clair Tappaan Lodge Sierra Club?
Using measurements between the "Sierra Club" pasting and the punch-hole (after inverting the postcard), I was able to determine that the 1.96 square mile punch-hole around Yuba Gap captured the location of the jawbone of Donna Lass, discovered on December 31st 1985. This suggested that the author of the Pines postcard knew where the remains of Donna Lass were. If the circles in both instances were the location of a buried mystery that we had to solve, could the Zodiac Killer have added another layer to the Pines postcard to identify the burial site of Donna, similar to the June 26th and July 26th 1970 letters? In other words, did the Zodiac Killer bury Donna Lass at a specific location west of Clair Tappaan Lodge Sierra Club?
The three major locations regarding Donna Lass were her 3893 Pioneer Trail Road home, the Sahara Tahoe Hotel & Casino where she worked and the Yuba Gap area where her jawbone was found. So I placed a compass rose over the 3893 Pioneer Trail Road home and the casino, and calculated the position of Yuba Gap in degrees. From her 3893 Pioneer Trail Road home it measured 303.5 to 304 degrees. From the casino it measured 303 to 303.5 degrees. There could be a margin of error of one degree. The measurement of 303.5 degrees is exactly 5 radians and Magnetic North (5 X 57.3 + 17). Therefore, the Zodiac Killer may have twice given us a "circle" denoting a burial location, and both times it was positioned at a radian value plus Magnetic North. In 1970 from Mount Diablo, in 1971 from either the home or work address of Donna Lass.
A RE-EXAMINATION OF THE PINES POSTCARD [PART ONE)
A RE-EXAMINATION OF THE PINES POSTCARD [PART TWO]
A RE-EXAMINATION OF THE PINES POSTCARD [PART THREE]
A RE-EXAMINATION OF THE PINES POSTCARD [PART ONE)
A RE-EXAMINATION OF THE PINES POSTCARD [PART TWO]
A RE-EXAMINATION OF THE PINES POSTCARD [PART THREE]
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