Season
Season 1 Episode
The Most Dangerous Animal of All - Season 1 Episode 2 The Search
6.60 45 minutes After learning that his father may have been the Zodiac killer, Gary brings The New York Times best-selling true crime author Susan Mustafa into the fold to help uncover more information about him. Over the next two years, they follow a dark trail filled with unexpected discoveries as Gary attempts to find some closure.
