Name: Gary's Birth Mother
Uploaded: 20200306
Duration: 2 min 37 s
Description: "I had too many questions and there were not enough answers." -Gary Stewart after meeting his birth mother.

The Most Dangerous Animal of All depicts how a man's quest for his birth parents led him to believe his father is the Zodiac killer.

The Most Dangerous Animal of All | Stream on Hulu

A man's quest for the parents who deserted him leads him to believe his father is the Zodiac killer.

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The Most Dangerous Animal of All

Handwriting Comparisons

"As we were writing the book, the deeper we went into it, the more I began to believe." -Susan Mustafa, co-author of The Most Dangerous Animal of All

Check out selected scenes from The Most Dangerous Animal Of All on FX

The Most Dangerous Animal Of All Selected Scenes

Will the truth about his father lead him to the Zodiac Killer? Watch the Official Trailer for The Most Dangerous Animal of All, the first-ever FX Documentaries series.

The Most Dangerous Animal of All - Official Trailer

Check out selected scenes from The Most Dangerous Animal Of All on FX. 

Selected Scenes | The Most Dangerous Animal Of All on FX

A search for a father led to an obsession with one of America's greatest unsolved mysteries. Get a FIRST LOOK at the new FX documentary, The Most Dangerous Animal Of All.

First Look

"I had too many questions and there were not enough answers." -Gary Stewart after meeting his birth mother.