『The Zodiac Killer: California's Unsolved』のカバーアート

The Zodiac Killer: California's Unsolved

The Zodiac Killer: California's Unsolved

著者： YesOui
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The murders that terrorized Northern California from 1968 to 1969. Lake Herman Road, Blue Rock Springs, Lake Berryessa, the taxi driver Paul Stine on Presidio Heights. The letters to the San Francisco Chronicle. The 340 cipher unsolved for 51 years until three amateurs cracked it in December 2020. Arthur Leigh Allen, Gary Francis Poste, and every name investigators have circled for six decades. The one case that will not close. — a daily series with new episodes every day.© 2026 YesOui.ai ノンフィクション犯罪 世界
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  • The Man Who Fit Everything — Except the DNA

    The Man Who Fit Everything — Except the DNA
    2026/09/01
    For more than two decades, Arthur Leigh Allen was the name investigators kept returning to. The geography fit. The timeline fit. His possessions overlapped with crime scene evidence in ways that were difficult to dismiss — a Zodiac-brand watch bearing the killer's crosshair signature, a knife consistent with the Lake Berryessa attack, wing walker boots matching prints from a confirmed crime scene, bomb-making materials found in his home. A friend reported that Allen had spoken, before the killings began, about hunting human beings and calling himself Zodiac. Polygraph examinations came back failed.

    Then, in 1991, Mike Mageau — the sole survivor of the Blue Rock Springs shooting that killed Darlene Ferrin — was shown a photo lineup. Twenty-two years after the night he was shot multiple times in the face and neck, Mageau identified Allen without hesitation. It was the strongest ground investigators had ever stood on.

    And then the DNA came back. Saliva extracted from stamps and envelopes on the Zodiac's letters to the San Francisco Chronicle did not match Arthur Leigh Allen's profile. He died in 1992, never charged, never tried.

    This episode — the sixth chapter in the Zodiac Killer investigation — examines what the Allen case actually tells us: about the gap between circumstantial density and prosecutable proof, about what eyewitness identification can and cannot carry, and about why the non-match didn't end the conversation it should have ended. Six decades in, the case remains open.

    This episode includes AI-generated content.
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    12 分
  • Inside the 340: What the Cipher Actually Reveals About the Killer's Mind

    Inside the 340: What the Cipher Actually Reveals About the Killer's Mind
    2026/08/31
    (00:00:00) Inside the 340: What the Cipher Actually Reveals About the Killer's Mind
    (00:00:52) The Murders That Created the Letters
    (00:02:30) The First Cipher and What It Said
    (00:04:05) Three Hundred and Forty Characters
    (00:05:28) What the Three Forty Actually Says
    (00:07:25) What Remained Unsolved
    (00:09:12) What the Cipher Culture Built
    (00:10:37) Where the Case Stands

    For fifty-one years, the Zodiac Killer's 340-symbol cipher sat in the public record and said nothing. The FBI couldn't crack it. Professional cryptographers couldn't crack it. Then, in December 2020, three amateurs working across time zones solved what the world's best code-breakers could not — and what they found inside is as disturbing as anything in the case file.

    This episode traces the cipher from its origins in the killing spree that began on Lake Herman Road in December 1968, through the Blue Rock Springs attack in Vallejo, the Lake Berryessa stabbings, and the murder of taxi driver Paul Stine in San Francisco's Presidio Heights neighborhood. Those murders produced the letters. The letters produced the ciphers. And the ciphers — seventeen of twenty-two known communications sent to the San Francisco Chronicle — were the killer's instrument of control.

    We examine the 408 cipher first: how Donald and Bettye Harden cracked it in a week without computers, and what its triumphant, gleeful message revealed about the killer's psychology. Then we turn to the 340 — shorter than the 408 and vastly more complex. Software developer David Oranchak, mathematician Sam Blake, and Belgian programmer Jarl Van Eycke identified a layered one-two decimation transposition method buried inside the grid, a structure hidden inside a structure.

    The decoded message doesn't name the killer. But it tells you precisely what kind of mind designed the whole performance: one obsessed with control, contemptuous of law enforcement, and utterly without remorse. That psychology is the through-line of everything that follows. The suspects are next. The cipher is the foundation.

    This episode includes AI-generated content.
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    12 分
  • Five Dead, No Witnesses: The Zodiac's First Year of Terror

    Five Dead, No Witnesses: The Zodiac's First Year of Terror
    2026/08/30
    December 20, 1968. Two teenagers are shot dead on a quiet road outside Benicia, California, and the case that will consume investigators for six decades begins without anyone knowing it. This episode follows the Zodiac Killer's first year of confirmed attacks — from Lake Herman Road through Blue Rock Springs, Lake Berryessa, and the cab murder of Paul Stine in Presidio Heights — tracing not just the violence but the deliberate architecture behind it.

    What makes this chapter essential is what the killer chose to do between the attacks. A phone call to Vallejo police claiming credit. Dates carved onto a car door at the water's edge. A piece of Paul Stine's bloodied shirt mailed not to law enforcement but to the San Francisco Chronicle. These weren't acts of panic. They were decisions made by someone building a public identity in real time.

    The episode also examines how three separate California counties — Solano, Napa, and San Francisco — each held their own piece of the case in isolation, and how that fragmented jurisdiction gave the killer room to operate. By the time investigators understood they were looking at one perpetrator, five people were dead and the letters had already started arriving.

    This is the foundation of the Zodiac case: the confirmed victims, the surviving witnesses, and the communications apparatus the killer constructed around the murders. Understanding this year means understanding every suspect, every cipher, and every dead end that follows.

    This episode includes AI-generated content.
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    13 分
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