Search results
Between 1966 and 1974, the Zodiac killer provided more than 20 written communications to police officials, some including ciphers that have not been cracked to this day. Zodiackiller.com features the most complete collection of authenticated Zodiac writings available anywhere in the world.
- Zodiac-Button Letter, Cipher
Mailed: June 26, 1970 Postmarked: San Francisco, Calif. Sent...
- Search Zodiac Killer
Enter keywords below and click "Search Zodiackiller.com"....
- Kathleen Johns Letter
Mailed: July 24, 1970 Postmarked: San Francisco, Calif. Sent...
- Belli Letter
Mailed: Dec. 20, 1969 Postmarked: San Francisco, Calif. Sent...
- Archive
This page includes exclusive Zodiackiller.com features. Main...
- FAQ
The Zodiac sent at least 18 letters, usually to newspapers...
- Zodiac-Button Letter, Cipher
Dec 11, 2020 · It took 51 years to crack, but one of the taunting messages written in code and attributed to the Zodiac Killer has been solved, according to the F.B.I. The mysterious 340-character cipher,...
Some letters included cryptograms, or ciphers; of the four codes he produced, two remain unsolved, while the others were cracked in 1969 and 2020. The last confirmed Zodiac letter was in 1974, in which he claimed to have killed 37 victims.
- Z 408, Sent July 31, 1969
- Z 340, Sent November 8, 1969
- Z 13, Sent April 20, 1970
- Z 32, Sent June 26, 1970
The first cipher Zodiac created was his longest, 408 characters. The killer split it into three pieces of equal length and mailed two to newspapers in San Francisco and one to a paper in nearby Vallejo, demanding they be printed or he would go on a “kill rampage.” The ciphers were published. Who Cracked It: Within about a week North Salinas schoolt...
While Z 408 required only 20-some hours for the husband-and-wife team to solve, Zodiac’s next cipher stumped everyone—experts and amateurs alike—for 51 years. Who Cracked It:In December 2020, the FBI announced that the Z 340 had finally been cracked, but not by professional law enforcement. The amateur team of sleuths who decoded the cipher include...
The killer’s shortest cipher appears, on the surface, to be the most important. It is preceded by the words “My name is ⎯⎯” Would the killer really reveal his name? Zodiac made a big promise about the Z 408 cipher, writing, “By the way, are the police haveing [sic] a good time with the code? If not, tell them to cheer up; when they do crack it they...
Sometimes known as the “Map Code,” because it came with a map of the San Francisco Bay area, Z 32 is Zodiac’s strangest cipher. A symbol closely resembling the cross-hairs image used by Zodiac to sign many of his messages appears on the map as a compass, with the instructions “0 is to be set to Mag. N.” This is one of several indicators that Zodiac...
- Craig P. Bauer
Jul 4, 2023 · While most killers hide in the shadows, California’s Zodiac Killer taunted police and the terrified community, relishing in his kills and promising more violence in a series of chilling, hand-written letters.
- Jill Sederstrom
- 2 min
Dec 12, 2020 · In August 1969, following the murders of three of the five known victims, the Zodiac Killer sent three almost identical letters to three Bay Area newspapers. Each letter also included...
Oct 31, 2023 · The Zodiac Killer's letters were designed to confuse, mislead, and challenge investigators, making it exceptionally difficult to pinpoint his identity and location. The Zodiac sent four coded messages in total to the paper in 1969 and 1970.
