Day 6 encore: Was his dad the Zodiac Killer?
Gary Stewart grew up knowing nothing about his biological parents. When he was 39, he set out on a quest to learn about his father. Now, after 12 years of investigation, Gary is sharing his horrifying revelation; he believes that his father was the notorious serial murderer, the Zodiac Killer. This past May, Brent spoke to Gary about his book,...
![](https://i.cbc.ca/ais/1.2750758,1717265330380/full/max/0/default.jpg?im=Crop%2Crect%3D%280%2C0%2C220%2C123%29%3BResize%3D620)
Gary Stewart grew up knowing nothing about his biological parents. When he was 39, he set out on a quest to learn about his father. Now, after 12 years of investigation, Gary is sharing his horrifying revelation; he believes that his father was the notorious serial murderer, the Zodiac Killer. This past May, Brent spoke to Gary about his book, The Most Dangerous Animal of All; Searching for my Father... and Finding the Zodiac Killer.
The Cipher sent to the SFPD
Below are photos from the book, and key pieces of evidence for Stewart's Claim:
Earl Van Best's mugshot.
The wanted poster with the composite sketch of the alleged Zodiac Killer.