Unabomber: The True Story (1996)

The real story behind the hunt for Ted Kaczynski, later known as the Unabomber, a terrorist who sent several bombs through the mail, alarming authorities and society. The movie follows a postal inspector who tracks down the suspect; an obstinate detective; and Kaczynski's brother, who suspected Ted after the publication of the Unabomber's manifesto, which explained his reasons for the bombings.