These writings contained clues about his identity and mysterious cryptograms, leading to much speculation over who the ...

The killer sent taunting letters and cryptograms to police and newspapers that included astrological symbols. There are several theories about the killer's identity, but they've never been identified.

These writings contained clues about his identity and mysterious cryptograms, leading to much speculation over who the culprit was and his motive. He claimed in some notes that he had murdered 37 ...

The killer even sent a series of letters to the press that included cryptograms believed to contain his identity. This is the Zodiac Speaking revolves around the murders of the serial killer and ...

Allspring Global Investments Holdings LLC acquired a new position in OneSpan Inc. (NASDAQ:OSPN – Free Report) in the 3rd ...

The mere thought of the Zodiac still being alive is enough to send amateur sleuths on a quest to find his identity, and code ...

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