📁Case Overview
case_name:
Zodiac Killer Letters and Cipher 1969
date:
1 August 1969
⚖️Offender
Overview / Background
The Zodiac Killer sent letters to newspapers containing cryptograms and details of his crimes. He demanded publication and threatened further violence. These communications established the Zodiac’s identity and obsession with media attention.
Crime Scene
Not applicable.
Investigation
The ciphers were analyzed, with one eventually solved, revealing statements about killing for pleasure. Investigators used the letters to link cases.
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