The Identity of America\'s Most Elusive Serial Killer Revealed Between December 1968 and October 1969 a hooded Serial killer called Zodiac terrorized San Francisco.
After painstaking investigation and more than thirty years of research, Robert Graysmit.
Then as suddenly as the murders began, Zodiac disappeared into the Bay Area fog.
Claiming responsibility for thirty-seven murders, he manipulated the media with warnings, dares, and bizarre cryptograms that baffled FBI code-breakers.
The Identity of America\'s Most Elusive Serial Killer Revealed Between December 1968 and October 1969 a hooded Serial killer called Zodiac terrorized San Francisco