[sic]". This disturbing communication from the Zodiac Killer had confounded specialists for years until a stroke of luck and ...

Three men received recognition in December 2020 for cracking the Zodiac Killer's 340-character cipher (Z340) – but they want ...

The Zodiac Killer has never been caught, and investigators were hopeful that one of the ciphers would reveal the killer's name, but the message did not help in that regard.

Only two of the Zodiac Killer’s ciphers have been solved so far. On August 8, 1969—just six days after the Zodiac’s cipher was printed—Donald Harden, a teacher, and his wife Bettye cracked ...

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Here's your chance to crack ciphers similar to those Bletchley Park's codebreakers faced during World War II. Below, we present three ciphers of different levels of difficulty, from easiest to ...

Zodiac Killer is a serial killer who operated in Northern California in the late 1960s. AN UNIDENTIFIED murderer mocked the police and went on a killing spree as he continued to claim more victims.

Typically known for Hollywood and sunny beaches, California has been the hunting ground for a disturbing number of serial ...

When 16-year-old Sabrina cracks the cryptic Parallax, she’s recruited to track down a serial killer... who might not be from this world. Starring Anya Chalotra and Chance Perdomo. Show more When ...