The Zodiac Killer terrorised the San Francisco area in the late 1960s and early 1970s, targeting mainly young couples in a rampage across northern California. The serial killer was never identified, and adopted the name 'zodiac' in one of a series of letters that he sent to the media at the time. In total, seven victims have been attributed to the Zodiac Killer, although there are a number of unconfirmed additional cases that may be the responsibility of the Zodiac.
The case is still officially open, and a number of names have been suggested by the public and the media as possible identities of the killer; up until today, the case remains unsolved.
The Serial Killers series lifts the lid on some of the world's most notorious serial killers and criminals. The narrative outlines the crimes of the killer, exploring the motives and impulses which led the perpetrator to commit their crimes.
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I had heard of this case but didn't know many details. I was very surprised to learn this is still an open case! There were suspects--one who's palm print matched but not the handwriting, and another whose handwriting matched but nothing else.