The Zodiac Killer: California's Unsolved · 6 Sep 2026 · 11 min

Evidence in a Box: Why the Zodiac Case Refuses to Close

The Zodiac killer's confirmed murders, cracked ciphers, and two suspects whose forensic problems keep the case permanently open — examined without illusion. This episode weighs Gary Francis Poste, Arthur Leigh Allen, and the physical evidence that still sits untested in a California evidence room.

The Zodiac Killer: California's Unsolved
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Evidence in a Box: Why the Zodiac Case Refuses to Close

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What's covered

The file has been open for more than fifty years. Two suspects.

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