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The Hunt for the Zodiac Killer (2017)

2017 • 1 season • Crime, Documentary • TV-14
On October 3, 2026
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All seasons

The Hunt for the Zodiac Killer — Season 1

  • Nov 14, 2017First aired
  • 5 episodesin this season
  • 50mavg. runtime
#Episode nameAir dateRuntimeRating
0150mThe New SuspectThe renewed search for the elusive Zodiac Killer has yielded remarkable results, granting investigators unparalleled access to archived files. Among these discoveries lies a complex cipher which could potentially reveal the killer's identity, alongside intriguing connections to another long-unsolved crime. Now, attention is focused on a leading suspect possessing expertise in coding.Nov 14, 2017Nov 14, 201750m0250mThe Military ConnectionThe investigation yielded intriguing details suggesting the Zodiac Killer might have had military experience; the team's advanced computer recognized peculiar symbols embedded within his cryptic messages, markings familiar to very few at the time they were used. Sal and Ken uncovered fresh leads that promise to bring them closer to their quarry.Nov 21, 2017Nov 21, 201750m0350mA New Code UncoveredThe investigation revealed a perplexing new code connected to the Zodiac Killer, as the team's advanced computer identified an unusual lunar sequence mirroring the dates of the murders. A mocking riddle from the killer offered a potential clue to a hidden location, and a fresh individual surfaced as a person of interest.Nov 28, 2017Nov 28, 201750m0450mThe Secret FBI FilesThe search intensifies with the FBI's release of classified documents concerning the elusive Zodiac Killer, and a handwriting expert establishes a link between the killer’s correspondence and a provocative letter sent from Albany, New York, over three thousand miles distant. Simultaneously, the code team achieves a significant advance in deciphering the Z-340 cipher.Dec 5, 2017Dec 5, 201750m0550mThe Code is CrackedIn San Francisco, a city haunted by the legacy of the Zodiac Killer's crimes, Sal and Ken delve into the investigation. Simultaneously, the Code Team delivers astonishing news: one of their own has cracked the Z340 cipher, a complex puzzle that has defied codebreakers for half a century.Dec 12, 2017Dec 12, 201750m