MysteriesZodiac ciphersArtifactsThe FBI's Zodiac file, with the Laboratory's 1969 cryptanalysis of Z340
The first 12 pages are shown; the rest are in the file. Text taken from the file. Check it against the page.
The record that the Z408 key does not open Z340 and of the Bureau's early suspicion of transposition, the step that the 2020 solution turned on.
Federal Bureau of Investigation, 1969. Public domain
Copies 20
ScanFederal Bureau of Investigation · vault.fbi.gov · Public domain (US government work)Primary source: The Zodiac Killer (FBI Records: The Vault)1 step from the original
ScanFederal Bureau of Investigation · vault.fbi.gov · Public domain (US government work)Primary source: The Zodiac Killer Part 011 step from the original
ScanFederal Bureau of Investigation · vault.fbi.gov · Public domain (US government work)Primary source: The Zodiac Killer Part 021 step from the original
ScanFederal Bureau of Investigation · vault.fbi.gov · Public domain (US government work)Primary source: The Zodiac Killer Part 031 step from the original
ScanFederal Bureau of Investigation · vault.fbi.gov · Public domain (US government work)Primary source: The Zodiac Killer Part 041 step from the original
ScanFederal Bureau of Investigation · vault.fbi.gov · Public domain (US government work)Primary source: The Zodiac Killer Part 051 step from the original
ScanFederal Bureau of Investigation · vault.fbi.gov · Public domain (US government work)Primary source: The Zodiac Killer Part 061 step from the original
PictureFederal Bureau of Investigation · vault.fbi.gov · Public domain (US government work)1 step from the original
ScanFederal Bureau of Investigation · vault.fbi.gov · Public domain (US government work)Primary source: The Zodiac Killer Part 071 step from the original
ScanFederal Bureau of Investigation · vault.fbi.gov · Public domain (US government work)Primary source: The Zodiac Killer Part 081 step from the original
ScanFederal Bureau of Investigation · vault.fbi.gov · Public domain (US government work)Primary source: The Zodiac Killer Part 091 step from the original
PictureFederal Bureau of Investigation · vault.fbi.gov · Public domain (US government work)1 step from the original
ScanFederal Bureau of Investigation · vault.fbi.gov · Public domain (US government work)Primary source: The Zodiac Killer Part 101 step from the original
PictureFederal Bureau of Investigation · vault.fbi.gov · Public domain (US government work)1 step from the original
ScanFederal Bureau of Investigation · vault.fbi.gov · Public domain (US government work)Primary source: The Zodiac Killer Part 11 (Final)1 step from the original
PictureFederal Bureau of Investigation · vault.fbi.gov · Public domain (US government work)1 step from the original
PictureFederal Bureau of Investigation · vault.fbi.gov · Public domain (US government work)1 step from the original
PictureFederal Bureau of Investigation · vault.fbi.gov · Public domain (US government work)1 step from the original
PictureFederal Bureau of Investigation · vault.fbi.gov · Public domain (US government work)1 step from the original
PictureFederal Bureau of Investigation · vault.fbi.gov · Public domain (US government work)1 step from the original
Where it was made
Sources 1
Cite it
Mysteries Department. (2026). The FBI's Zodiac file, with the Laboratory's 1969 cryptanalysis of Z340 [Artifact ART0D71PSNM64P5]. https://mysteriesdept.com/r/ART0D71PSNM64P5
@misc{mysteriesdept_art0d71psnm64p5,
title = {The FBI's Zodiac file, with the Laboratory's 1969 cryptanalysis of Z340},
author = {{Mysteries Department}},
year = {2026},
note = {Artifact, catalog key ART0D71PSNM64P5},
url = {https://mysteriesdept.com/r/ART0D71PSNM64P5}
}