Zodiac Letters & Ciphers

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Over the past 50+ years, there have been dozens of letters, ciphers, and correspondences attributed to the Zodiac Killer; both confirmed and unconfirmed by the authorities investigating the Zodiac case. Here is a collection of those correspondences.

 

Confirmed Zodiac correspondences, determined by authorities to have been the work of the Zodiac 

 

The following correspondence was postmarked in San Francisco July 31,1969 Mailed to Vallejo Times Herald. It included a letter, and part 1 of a 3 part cipher (parts 2 was mailed to the San Francisco Examiner and part 3 to the San Francisco Chronicle)

Front of envelope 

Back of envelope 

The Letter Page 1

Page 2

Cipher part 1

The following correspondence was postmarked in San Francisco July 31,1969 Mailed to the San Francisco Examiner. It included a letter, and part 2 of a 3 part cipher (part 1 was  mailed to the Vallejo Times Herald and part 3 to the San Francisco Chronicle)

The Envelope 

The Letter Page 1

Page 2

Cipher part 2

 

The following correspondence was postmarked in San Francisco July 31,1969 Mailed to the San Francisco Chronicle. It included a letter, and part 3 of a 3 part cipher (part 1 was  mailed to the Vallejo Times Herald and part 3 to the San Francisco Examiner)

Front of envelope 

Back of envelope 

The Letter, Page 1

Page 2

Cipher part 3

 

The following correspondence dubbed ‘The Debut of Zodiac’ letter was mailed to the San Francisco Examiner in August, 1969 (exact date unknown) and received by the newspaper on August 4,1969. 

Page 1

Page 2

Page 3

 

The following correspondence dubbed ‘The Paul Stine letter’ was mailed to the San Francisco Chronicle, postmarked October 13, 1969 in San Francisco. It included a piece of bloody shirt later verified to belong to Victim Paul Stine

The Envelope

The Letter

Stine’s bloody shirt

 

The following correspondence was postmarked in San Francisco on November 8 1969 and mailed to the San Francisco Chronicle  It included a letter, a greeting card dubbed ‘The Dripping Pen card’ and a cipher which was dubbed ‘The 340’

The Envelope

The Dripping Pen card

The Letter

The 340 Cipher

 

The following correspondence dubbed ‘The Bus Bomb letter’ was postmarked November 9, 1969 and mailed to the San Francisco Chronicle 

The Envelope

The Letter Page 1

Page 2

Page 3

Page 4

Page 5

Page 6

 

The following correspondence dubbed ‘The Belli letter’ was postmarked in San Francisco on December 20, 1969 and mailed to the home of Attorney Melvin Belli in SF. It also included a bloody piece of Paul Stine’s shirt 

The Envelope Front

The Envelope Back

The Belli Letter

The Bloody shirt 

The following correspondence dubbed ‘The My Name is letter’ was postmarked April 20, 1970 in San Francisco and was mailed to the San Francisco Chronicle. It included a 13 character cipher dubbed ‘The My Name Is Cipher’ and a bomb diagram 

The Envelope

The Letter

Bomb Diagram 

The following correspondence dubbed ‘The Dragon card’ was postmarked April 28, 1970 in San Francisco and mailed to the San Francisco Chronicle. It included a greeting card.

The Envelope

The Dragon Card Front

The Dragon Card Back

The following correspondence dubbed ‘The Button letter’ was postmarked June 26, 1970 in San Francisco and mailed to the San Francisco Chronicle, and It included a cipher at the bottom. The letter also included a Phillips 66 Map

The Envelope

The Letter

The front of map

The back of map

The following correspondence dubbed ‘The Kathleen Johns Letter’ was postmarked on July 24, 1970 in San Francisco and mailed to the San Francisco Chronicle 

The Envelope

The Letter

The following correspondence dubbed ‘The Little List Letter’ was postmarked on July 26,1970 in San Francisco and mailed to the San Francisco Chronicle 

The Envelope

The Letter Page 1

Page 2

Page 3

Page 4

Page 5

The following correspondence dubbed ‘The Halloween Card’ was postmarked in San Francisco on October 27, 1970 and mailed to San Francisco Chronicle reporter, Paul Avery

The Envelope

The outside (front and back) of Halloween card

 

The inside of Halloween card

 

The following correspondence dubbed ‘The LA Times letter’ was postmarked on March 13, 1971 in Pleasanton, CA and mailed to the Los Angeles Times

The Envelope

The Letter

 

The following correspondence dubbed ‘The Sierra Card’ or ‘The Pines card’  was received by the San Francisco Chronicle on March 22,1971. It’s postmark is unknown 

 

 

The following correspondence dubbed ‘The Exorcist letter’ was postmarked January 29, 1974 in San Francisco and mailed to the San Francisco Chronicle 

The Envelope

The Letter

 

The following correspondence dubbed ‘The SLA letter’ was mailed February 14, 1974 with an unknown postmark to the San Francisco Chronicle

The Envelope

The Letter

The following correspondence dubbed ‘The Citizen card’  or ‘Badlands card’ was postmarked May8, 1974 in Alameda County and mailed to the San Francisco Chronicle 

The Envelope

\

The Card

 

The following correspondence dubbed ‘The Red Phantom Letter’  or ‘The Count Marco Letter’ was postmarked on July 8, 1974 in San Rafael, CA and mailed to the San Francisco Chronicle. It’s the last confirmed correspondence mailed by Zodiac

The Envelope

The Letter

 

Unconfirmed Zodiac correspondences connected to the Zodiac case, but NOT officially confirmed by authorities to be the work of the Zodiac Killer

 

The ‘Eureka Card’ December, 1990

This card was mailed to the San Francisco Chronicle, postmarked Eureka, CA in December, 1990. The blank greeting card included a photocopy of post office box keys. For some reason, the SF Chronicle staff kept the cad in its massive collection of materials that they receive, and only years later, did they realize that they still had it. There is no threat in the letter, and no mention of Zodiac, but for some reason, it caught someone at the newspaper’s attention, and there does seem to be some similarity to Zodiac’s writing. It was not immediately turned into police, but in the years since, the keys were traced to a man named Chester Clark Klingel who lived in Eureka, Police questioned him, and apparently ruled him out as being the Zodiac. It’s not known if Kilngel sent this card, or if not how someone else had access to his keys. No further information about this card is readily available, and whether the writing was examined by any document examiner, the FBI, etc. For now, this card remains an interesting mystery in the case.

 

 

The ‘This State is in Trouble’ &  ‘Bleeding Knife of Zodiac’ December 16, 1969  Fairfield CA. 2 Page letter

A crude looking 2 page letter supposedly from Zodiac, mailed on December 16, 1969 to the SF Chronicle from Fairfield, CA. Page 1 makes more threats and perhaps hints that the Zodiac will move on. page 2 is a child-like drawing. it seems to reference the Zodiac’s September attack at Lake Berryessa in which he used a knife. This letter looks a lot different from confirmed Zodiac letters, and many people have quickly dismissed this letter as a hoax. What’s interesting here, is that FBI experts that examined the letter saw enough similarity to Zodiac, that they could not rule him out as being the author of this questioned document.

The Envelope

Page 1, the letter ‘This State is in Trouble’

Page 2, the drawing ‘The Bleeding Knife of Zodiac’ 

 

 

The FBI reports

 

The ‘Hello It’s Me’ or ‘Atlanta’ Letter March 8, 1981, Atlanta, GA.

This letter was received in the Atlanta Child Murders case from someone claiming to be Zodiac. Postmarked in Atlanta on March 8, 1981, the letter seemed to be capitalizing on attention that the Atlanta Child Murders (Referred to as ATKID in the FBI files) something that Zodiac may have done during his activity in CA. While there is no proof that Zodiac moved to Atlanta, or was connected to the child murders there, this letter did come during a time when Zodiac was not known to be operating in CA. Interestingly enough, although the writing seemed to have been changed by the author to disguise it, the FBI memo below states that there is enough similarity that the Zodiac could not be ruled out as the author.

The Envelope

The Letter 

The FBI findings

 

The ‘Albany Letter’  Postmarked August 1, 1973 in Albany, NY.

By the Summer of 1973, the Zodiac Killer hadn’t mailed a confirmed letter to a SF Bay area newspaper in almost two and a half years. Reporter Kermit Jaediker wrote an article questioning why Zodiac had stayed silent for so long. The article ran in several newspapers across the country on July 22, 1973.  On August 1, 1973, just over a week after this news article ran, someone in Albany, NY claiming to be Zodiac mailed a letter to the Albany Times Union Newspaper. The letter was directly responding to the Jaediker news article, and seemed to be answering to the theories put forth by the reporter as to why Zodiac had stayed silent for so long. The letter contained a threat on an employee at the Albany Medical Center, and a cipher that according to the writer, contained the identity of the intended victim. The police cracked the cipher, and learned the name of the intended victim but chose not to release it, and as far as we know, no murders of Albany Medical Center staff took place.

Albany, NY is 3,000 miles across the country from the SF Bay area, a strange place for a possible Zodiac letter. Interestingly enough, the city of Albany, NY pops up in the Zodiac case again and again. Zodiac victim Darlene Ferrin, along with her ex-husband Jim Crabtree had lived there for a short time before they moved back to the SF Bay area. Zodiac suspect, Richard Gaikowski, also had spent some time there as well before moving back to the SF area. Lastly, a girl named Doreen Gaul  was murdered in Los Angeles in November, 1969, alongside her friend James Sharp. Doreen had made her was to Los Angeles from her home in Albany, NY; a home that was literally in the shadow of the Albany Medical Center. After her murder when Doreen’s room was cleaned out, authorities found a threatening letter signed Zodiac on her mirror. Was it a poorly timed joke by a friend, or something more? 

The News article that spurred the Albany letter

The Letter

 

 

 

The Envelope 

Note from investigators about the Albany Letter

 

 

The note found in Doreen Gaul’s room after her death 

 

(More Unconfirmed Zodiac correspondences coming soon)

 

 

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