『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
無料で聴く

【Amazonプライム会員限定】今ならプレミアムプランが4か月 月額99円。

10月19日まで。※適用条件あり
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
エピソード
  • Letters, Ciphers, and a Locked Door: Why the Case Won't Close

    Letters, Ciphers, and a Locked Door: Why the Case Won't Close
    2026/09/08
    (00:00:00) Letters, Ciphers, and a Locked Door: Why the Case Won't Close
    (00:01:01) The Killings
    (00:03:27) The Ciphers
    (00:05:36) The Press as Target
    (00:06:58) Arthur Leigh Allen
    (00:08:50) Gary Francis Poste and the Case Breakers
    (00:10:03) The Locked Door
    (00:11:48) What the Case Has and Hasn't Told Us
    (00:13:41) Closing

    Five confirmed murders. Twenty-two known communications. Four ciphers — two still unsolved. And a piece of DNA evidence locked in police storage that no one will test. This episode of California's Unsolved takes stock of everything the Zodiac case contains and confronts the uncomfortable truth: the evidence almost answers the question, but almost is not enough.

    From the first shooting on Lake Herman Road in December 1968 to the execution of taxi driver Paul Stine in San Francisco's Presidio Heights ten months later, this chapter traces the confirmed killings in sequence — the teenagers at Benicia, the Fourth of July attack at Blue Rock Springs, the hooded assault at Lake Berryessa that left Cecelia Shepard dead and Bryan Hartnell able to describe his attacker in chilling detail. Each crime scene left threads. None of them closed.

    The ciphers defined the case in the public imagination. The 408 fell to a Salinas schoolteacher and his wife in 1969. The 340 resisted every attempt for fifty-one years until David Oranchak, Sam Blake, and Jarl Van Eycke cracked it in December 2020 using a complex transposition method no prior attempt had identified. The decoded text revealed psychology, not identity. Two ciphers remain locked.

    Meanwhile, the Zodiac was running a deliberate media operation — seventeen of his twenty-two known letters went directly to the San Francisco Chronicle, not to police. He understood the press and used it. That strategy shaped the investigation, the public panic, and the mythology that has kept this case alive for six decades.

    This is where the case stands. Not closed. Not cold. Just locked.

    This episode includes AI-generated content.
    続きを読む 一部表示
    15 分
  • Cracking the 340: How Three Amateurs Solved a 51-Year-Old Cipher

    Cracking the 340: How Three Amateurs Solved a 51-Year-Old Cipher
    2026/09/07
    (00:00:00) Cracking the 340: How Three Amateurs Solved a 51-Year-Old Cipher
    (00:00:51) The first cipher falls
    (00:02:12) The 340 and the fifty-one-year wall
    (00:03:15) What the amateurs found
    (00:05:02) The cipher as a weapon
    (00:06:22) The suspects and the forensic wall
    (00:08:41) What remains unsolved
    (00:10:06) The case that stays open

    For half a century, the Zodiac Killer's 340-cipher stood as the most analysed unsolved code in American criminal history. The FBI tried. University cryptographers tried. Dedicated amateurs cycled through every known method for five decades. The cipher gave up nothing — until December 5, 2020, when a web developer from Virginia, a mathematician in Australia, and a Belgian software developer running a program called AZdecrypt applied a technique no one had thought to try: a one-two-decimation transposition. Within days, the FBI confirmed the solution was valid.

    This episode traces the full cryptography arc of the Zodiac case, from the 408-cipher cracked within days by Salinas schoolteacher Donald Harden and his wife Bettye in 1969, to the structural ingenuity that made the 340 so much harder to break. Along the way, it asks a harder question: if the ciphers could eventually be cracked, why didn't cracking them bring investigators any closer to a name?

    The answer is uncomfortable. The ciphers were never evidence the Zodiac accidentally left behind. They were instruments — deliberately engineered to generate press coverage, occupy investigators, and keep the killer at the centre of public attention without ever revealing his identity. The 340 contained no name, no location, no actionable detail. Just more performance.

    David Oranchak, Sam Blake, and Jarl Van Eycke cracked a cipher. They did not close a case. That gap — between solving a puzzle and solving a murder — is what this episode is really about.

    This episode includes AI-generated content.
    続きを読む 一部表示
    13 分
  • Evidence in a Box: Why the Zodiac Case Refuses to Close

    Evidence in a Box: Why the Zodiac Case Refuses to Close
    2026/09/06
    Fifty-six years after the first confirmed murder on Lake Herman Road, the Zodiac case still has no conviction, no consensus suspect, and physical evidence sitting in a California storage room that nobody will test. This episode of California's Unsolved brings the full weight of the established record to bear — and asks a harder question than whodunit: why has this case been engineered to resist resolution?

    We trace the confirmed murder timeline from David Faraday and Betty Lou Jensen in December 1968, through the Blue Rock Springs shooting of Darlene Ferrin, the knife attack at Lake Berryessa, and the point-blank execution of taxi driver Paul Stine in Presidio Heights. We follow the Zodiac's twenty-two known communications to the San Francisco Chronicle — the ciphers, the taunts, the piece of Paul Stine's blood-stained shirt sent as proof.

    Then the cipher breakthrough: how David Oranchak, Sam Blake, and Jarl Van Eycke cracked the 340 cipher in December 2020 after fifty-one years, what the decoded message actually said, and why solving it changed nothing about the investigation.

    The episode then turns to the two suspects who have defined the case. Arthur Leigh Allen — the man Michael Mageau identified from a photo lineup more than twenty years after surviving Blue Rock Springs — and why a single DNA result from stamp-envelope saliva collapsed decades of circumstantial evidence. Then Gary Francis Poste, the candidate put forward by the Case Breakers, and what their theory reveals about how tantalizingly close — and how structurally far — this case has come from closing.

    This is not a case edging toward resolution. This is a case that was built to resist one.

    This episode includes AI-generated content.
    続きを読む 一部表示
    12 分
adbl_web_anon_alc_button_suppression_t1
まだレビューはありません