The Zodiac Killer terrorized Northern California in the late 1960s and early 1970s.
Known Victims
The Zodiac is confirmed to have killed at least five people, though he claimed 37 victims in his letters to newspapers.
The Ciphers
The killer sent cryptic letters and ciphers to local newspapers, taunting police and threatening more violence. Only some of his ciphers have been solved.
Investigation
Despite extensive investigation involving multiple law enforcement agencies and thousands of suspects, the case remains officially unsolved.
Cultural Impact
The Zodiac case has inspired numerous books, films, and TV series, including David Fincher's acclaimed 2007 film "Zodiac."


