MysteriesZodiac ciphersArtifactsThe FBI's Zodiac file, with the Laboratory's 1969 cryptanalysis of Z340The FBI's Zodiac file, with the Laboratory's 1969 cryptanalysis of Z340: picture
CPY0D71PY281DWE·Copy · document
The FBI's Zodiac file, with the Laboratory's 1969 cryptanalysis of Z340: picture
The FBI's Zodiac file, with the Laboratory's 1969 cryptanalysis of Z340: picture
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 1
PictureFederal Bureau of Investigation · vault.fbi.gov · Public domain (US government work)1 step from the original
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Cite it
Mysteries Department. (2026). The FBI's Zodiac file, with the Laboratory's 1969 cryptanalysis of Z340: picture [Copy CPY0D71PY281DWE]. https://mysteriesdept.com/r/CPY0D71PY281DWE
@misc{mysteriesdept_art0d71psnm64p5,
title = {The FBI's Zodiac file, with the Laboratory's 1969 cryptanalysis of Z340: picture},
author = {{Mysteries Department}},
year = {2026},
note = {Artifact, catalog key CPY0D71PY281DWE},
url = {https://mysteriesdept.com/r/CPY0D71PY281DWE}
}