A Man Claims the Zodiac Killer Is His Father in a New Book That's Been Kept Secret for Months

05/12/2014 09:08 pm ET | Updated May 12, 2014
  • New York

Not mentioned in the summary: Stewart, a vice-president at Delta Tech Service in Baton Rouge, alleges that his father was the Zodiac Killer, who is believed to have killed at least five people in Northern California, and famously sent letters and cryptograms to Bay Area newspapers.

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