ZODIAC CIPHERS - Zodiac News

DONNA ANN LASS (25) The Sahara Tahoe Hotel (now operating as the Golden Nugget Lake Tahoe) did not have a dedicated or permanent American Red Cross facility on site.

There is now a decent amount of evidence to indicate Donna Ann Lass arrived home in the early hours of September 6th 1970 and was either murdered in, or abducted from her apartment shortly after entering.

When the Zodiac Killer mailed the 408 cipher on July 31st 1969 he claimed it would reveal his identity---and backed this up somewhat by stating in his August 4th 1969 "Debut" letter that when police cracked the code they would "have me".

A shift cipher with circled numbers (often seen in puzzles like escape rooms) relies on a Caesar cipher, where the secret shift key is represented by numbers wrapped inside circles, such as the three number 8's present on the simple Z13 code mailed on Apr…

VISIT DAVE'S WEBSITE On June 2nd 2026 David Oranchak completed his three-part destruction of yet another hopeless and deranged offering, which this time attempted to link the Zodiac Killer with the Black Dahlia murder from 1947.

In an effort to confuse the decoders, the sender will sometimes place deliberate errors into ciphertext in a classic cryptographic technique known as nulls, trapdoors, or intentional noise, aimed at disrupting automated frequency analysis.

SGT LUNDBLAD AT THE CRIME SCENE Virtually every communication the Zodiac Killer mailed had an inspiration that can be traced back to recent newspaper articles about him.

Knowing that the Zodiac Killer was a narcissist who bathed in the spotlight of notoriety, it wasn't surprising that by 1974, after several of his communications failed to be published in the newspapers, that he ultimately harbored resentment towards the h…

SGT JOHN LYNCH The "Good Citizen" letter mailed on October 7th 1969 was addressed to Sergeant John Lynch of the Vallejo Police Department, just like the "Concerned Citizen" card was on August 10th 1969, which provided a key to the solution of the 408 ciph…

The Zodiac Killer employed only two pseudonyms between 1969 and 1987 in the form of "Zodiac" and "Me"---the latter of which appeared in the only known genuine mailing of 1974, when the Zodiac Killer sent the "Exorcist" communication on January 29th 1974.

San Francisco Chronicle, November 12th 1969 Beginning on October 23rd 1969 and culminating on November 5th 1969, Daniel Williams (24), a Salesian High School teacher in the city of Richmond received multiple telephone threats from an individual claiming to

The opening line of the "Exorcist" letter mailed on January 29th 1974 borrowed from the newspaper coverage of the 1973 film which won four Golden Globe awards at the Beverly Hilton hotel in Beverly Hills, California on January 26th 1974, Having received f…

"The Most Dangerous Game" was released into US cinemas on September 16th 1932 following much publicity, with its associate producer Merian C.

On October 13th 1969 the first wanted poster was released to the public concerning the murder of Paul Stine in Presidio Height two days earlier.

INSPECTOR DAVID TOSCHI Apart from the tragic murder of Paul Stine on October 11th 1969 in Presidio Heights, the overarching weight of Zodiac communications in San Francisco in late 1969 and 1970 focused on schoolchildren, school buses and schools, whether…

On July 10th 2024 I wrote an article about Heidi Hoffman (16) and Lenny Parsons (19) who had parked their vehicle at the end of Saddle Road by Heavenly Valley in South Lake Tahoe on December 13th 1969, when a man approached the young couple at approximate…