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History

Zodiac Killer

What is zodiac killer?

· Emily Grant

Key facts

Name Zodiac Killer[1]
Alias The Zodiac[1]
Identity unidentified[2]
Confirmed victims at least five[2]
Location northern California / San Francisco Bay Area[2]
Time period December 1968 to October 1969[1]

The Zodiac Killer was an unidentified serial killer who murdered at least five people in northern California between 1968 and 1969, and the case remains unsolved. The nickname came from taunting letters the killer mailed to newspapers. [2] [3]

Context

The Zodiac Killer was an unidentified serial killer who murdered at least five people in northern California between 1968 and 1969, and the case remains unsolved [2]. The nickname came from taunting letters the killer mailed to newspapers [3]. The public became aware of the case in July 1969 [4]. The killer claimed as many as 37 victims, though only five are confirmed [1].

Documented claims

  • The killer mailed taunting letters to newspapers, which is how the nickname originated. [3]
  • The case remains unsolved and the killer was never found. [3]
  • The killer claimed as many as 37 victims, though only five are confirmed. [1]

Related

Golden State KillerBoth are unidentified serial killers from California whose cases remained unsolved for decades.Btk KillerBoth are notorious serial killers who taunted police with letters and ciphers.

Questions and answers

Who was the zodiac killer's identity?

The Zodiac Killer's identity has never been confirmed; the killer remains unidentified [2].

Why did they never catch Zodiac?

The case remains unsolved and the killer was never found, despite extensive investigation [3].

How many victims did the Zodiac Killer have?

At least five murders are confirmed, though the killer claimed as many as 37 victims [1].

Sources

  1. Zodiac killer | Name, Never Caught, Letters, Suspects, & ... — britannica.com (retrieved August 3, 2026)
  2. The Zodiac Killer — fbi.gov (retrieved August 3, 2026)
  3. The Zodiac Killer: A Timeline | HISTORY — history.com (retrieved August 3, 2026)
  4. Who Is the Zodiac Killer? – The Serial Killer's Possible Identity — biography.com (retrieved August 3, 2026)

Sources last checked August 3, 2026. · More in History