Zodiac Killer

Serial killer in California

  • Fame68.7
  • Momentum5.5
  • Historical Figures rank#116
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Source-basedStable
  • Fame68.7
  • Momentum5.5
  • Historical Figures rank#116
  • Wikipedia399.6K
United States

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Summary
Updated 2026-08-31

An unidentified serial killer who murdered at least five people in the San Francisco Bay Area in 1968–69, then taunted police and newspapers with cryptograms and letters claiming far more victims. The case remains open, the name unsolved, the attention unrelenting.

Biography

About

Between December 1968 and October 1969, the Zodiac attacked three couples and a cab driver across Benicia, Vallejo, unincorporated Napa County, and San Francisco — seven victims, five dead, two survivors. The killer mailed letters to Bay Area newspapers claiming credit, threatening bombings and more deaths if unpublished, and enclosing cryptograms; two were decrypted in 1969 and 2020, two remain unsolved. The last letter arrived in 1974, claiming a total of 37 kills. Police named one suspect: Arthur Leigh Allen, a former elementary school teacher and convicted sex offender who died in 1992. Sa…

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Score breakdown

The six component signals behind the Fame score, and their ranks across the leaderboards.

Fame
Stable
68.7
Composite of search demand, mentions, audience & graph footprint.
Score components
Momentum5.5
Historical36.4
Now attention20.7
Source confidence65.0
Completeness75.0
Global rank
Country rank
Category rank
#116
Receipts

Sources

  • Wikipedia
    wikipedia · en.wikipedia.org
    High confidence
  • Wikidata
    wikidata · wikidata.org
    High confidence
  • Pantheon 2.0
    database · pantheon.world
    High confidence