Adopted as an infant, Gary L. Stewart always struggled with his identity. After 39 years, the life long search for his biological parents reveals a truth he never could have imagined. Presented by FX.
After learning that his father may have been the Zodiac killer, Gary brings in best-selling true crime author Susan Mustafa to help uncover more information about him. Presented by FX.
Gary’s story takes a turn when he realizes his book could be a betrayal of his newfound relationship with his biological mother. Gary goes up against a community of Zodiac fanatics with ulterior motives. Presented by FX.
Armed with DNA evidence that links his father to the Zodiac killer, Gary forges ahead to uncover his truth. A San Francisco-based private investigator digs into the claims. Presented by FX.
About this Show
The Most Dangerous Animal of All
A man who is searching for the father who abandoned him believes his father is one of the most infamous serial killers in American history.
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