Based onThe New York Timesbest-selling book of the same name,The Most Dangerous Animal of Allis a documentary series that explores one man's search for the father who abandoned him, only to uncover the worst: he believes his father is the Zodiac killer, one of the most infamous serial killers in American history. In this episode, the evidence is scrutinized and Gary claims new DNA evidence proves that his dad is the Zodiac
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