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DAY-BY-DAY FORECAST FOR LEONA ROBERTS
Click to enlarge The following is a summary of the abduction and murder of Leona LaRell Roberts by Steph54 on Websleuths:On Wednesday, 10 December 1969, 16-year-old Leona Larell Roberts worked her...
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DAY-BY-DAY FORECAST FOR CANCER
Click to enlarge Two pasted communications were mailed in close proximity to one another (or possibly in unison), postmarked December 10th and December 11th 1969. The first was the Day-by-day forecast...
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THE ZODIAC ATLANTA LETTER
Wayne Williams After the final flurry of communications had ceased in 1971, many have speculated on a killer who upped sticks and left the state of California. One dubious Zodiac letter was received...
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THE GRILLE CIPHER
The Zodiac Killer placed "paradice" and "slaves" in a cross formation, possibly signifying the afterlife In the history of cryptography, a grille cipher was a technique for encrypting a plaintext by...
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THE ZODIAC RIPPER
Many people have considered whether the Zodiac was inspired by previous serial killers, such as Jack the Ripper. who brought terror to the streets of Whitechapel, London in the latter months of 1888....
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WHERE IS DONNA LASS?
If the Zodiac Killer was a native of the Bay Area and visited Lake Tahoe for recreational purposes such as hunting, fishing and hiking, then had he been responsible for the abduction and likely murder...
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X MARKS THE SPOT
The Zodiac Killer mailed the Bus Bomb Letter on November 9th 1969, opening with the lines "This is the Zodiac speaking up to the end of Oct I have killed 7 people. I have grown rather angry with the...
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WHERE IS DONNA LASS? [PART 2]
Here we will take a further look at the disappearance of Donna Lass from the Sahara Tahoe Hotel & Casino on September 6th 1970, attempting to discover the approximate area she was disposed of or...
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THE ANTI-CAPITALIST AGENDA
The disdain for "yellow journalism", capitalism, multi-media conglomerates and the Hearst Corporation in particular, was clearly evident in the actions and writings of the Symbionese Liberation Army...
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THE LOCATION OF THE BOMB?
The Zodiac Killer mailed a bomb threat on June 26th 1970, stating "the map coupled with this code will tell you where the bomb is set." One month later, realizing the inadequate information he had...
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"SAM" THE KILLER
At approximately 2:00 am on October 22nd 1969, somebody called the Oakland Police Department claiming to be the Zodiac Killer and wanting to appear on the KGO-TV Jim Dunbar Show that day. The caller...
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A TAHOE MYSTERY
In two previous articles we analyzed the design of the Pines Card in association with the disappearance and likely murder of Donna Lass on September 6th 1970. There are multiple possibilities, notably...
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THE LOCATION OF THE BOMB [PT2]
In a previous article we concluded that the 32 character code mailed to the San Francisco Chronicle on June 26th 1970 stated "P.S. The Mt. Diablo code concerns 4 Radians and 5 inches along the radian",...
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THE MURDER CLOCK
Before the advent of the Rigel software system, utilizing the geographic profiling techniques of criminologist Dr. Kim Rossmo, a rudimentary form of geographic profiling was used by Stuart Kine before...
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THE CODE SOLUTIONS BY ZODIAC
Donald Harden cracking the 408 cipher The Zodiac Killer mailed us three parts of one cipher on July 31st 1969, to the San Francisco Chronicle, San Francisco Examiner and Vallejo Times-Herald. In his...
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THE LOCATION OF THE BOMB [PT3]
In the final instalment of this series we will attempt to refine the previous conclusions gleaned from the Zodiac Killer letters.The Zodiac Killer stated on April 20th 1970 "I hope you do not think...
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MARAUDER OR COMMUTER?
A serial killer exhibiting the traits of a marauder will operate using a buffer zone from their residence but radiate from this base when committing their murders, whereas a commuter will operate...
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THE CRANK CALL
Benicia Herald: "Bidou and his partner had served a warrant on a Lake Herman Road cabin Dec. 20, 1968, and were on their way to deposit some marijuana in the police department’s evidence locker when...
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THE MURDER OF NIKKI BENEDICT
Nikki Alexandra Benedict Nikki Alexandra Benedict (14) had left her friend Kathy Gomski's house in Halper Road, Poway on May 1st 1967 shortly after 6:00 pm, to walk the 2 1/2 mile journey to her home...
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FBI FILES: THE ZODIAC KILLER, SLA AND KENNEDY THREATS
The Zodiac Killer disappeared sometime in 1971, only to reappear on February 3rd 1974 and mail the SLA Letter to the San Francisco Chronicle the day before the Symbionese Liberation Army kidnapped...
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