Fruit of the Poisonous Tree Linguist Natalie Rogers helps Fitz find clues about the Unabomber's identity in the Manifesto, but their findings face skepticism at the UTF. In 1997, Ted claims he can invalidate all of the evidence against him. Details Casts Videos Galleries Posters Season Lists Title Fruit of the Poisonous Tree Genres Crime Mystery Release Date 2017-08-08 Episode Runtime 00 Hours 42 Minutes Season Number 1 Episode Number 3 Production Companies Trigger Street Productions, Lionsgate Television, Discovery Communications Paul Bettany... Ted Kaczynski... Sam Worthington... Jim 'Fitz' Fitzgerald... Chris Noth... Don Ackerman... Jeremy Bobb... Stan Cole... Ben Weber... Andy Genelli... Lynn Collins... Natalie... Brían F. O'Byrne... Frank McAlpine... Get A Sneak Peek of Discovery's MANHUNT: UNABOMBER (Trailer) Original Size (3840x2160) Original Size (1691x951) Original Size (1280x720) Original Size (1920x1080) Original Size (1280x720) Original Size (1280x720) Original Size (1280x720) Original Size (1920x1080) Original Size (1920x1080) Original Size (1920x1080) Original Size (2048x1152) Original Size (1920x1080) Original Size (3840x2160) Original Size (2048x1152) Original Size (1280x720) Original Size (1280x720) Original Size (2048x1152) Original Size (1280x720) Original Size (1280x720) Original Size (960x1440) Original Size (1640x2460) Original Size (535x750) Original Size (1000x1500) Original Size (1400x2100) Original Size (2000x3000) Original Size (680x1000) Original Size (960x1440) Original Size (680x1000) Original Size (960x1440) Original Size (1000x1500) Original Size (1000x1500) Original Size (1000x1500) Original Size (1000x1500) Original Size (1728x2560) Original Size (1728x2560) Original Size (1728x2560) Original Size (1728x2560) Season 1 8 Episode(s) 2017-08-01 Season 2 10 Episode(s) 2020-02-03