2. Pure Wudder

When the elusive Unabomber threatens to blow up a jetliner, Fitz must determine if the threat is real. In 1997, Fitz confronts Ted for the first time.

3. 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.

4. Publish or Perish

The Unabomber will stop bombing if his Manifesto is published. Fitz pushes for publication with S.A.C. Ackerman, who presents Fitz's argument to Attorney General Janet Reno.

5. Abri

Fitz receives linguistic proof that Ted is the Unabomber. He tracks down Ted's brother David, who is astonished at the accuracy of Fitz's profile.

6. Ted

In a letter to his brother, Ted recounts the key events from his past that informed his decision to engage in terrorist activities.

7. Lincoln

Fitz races to find a linguistic connection that will secure an arrest warrant while the FBI closes in on Ted's cabin in Montana.

8. USA vs. Theodore J. Kaczynski

When Ted fails to have the evidence against him invalidated, Fitz makes one last appeal to him to plead guilty.