1. The story of the Unabomber crackles with the raw mystery and tension of a cops-and-robbers potboiler.

2. The Unabomber, like a comic book super-villain, seemed to be a criminal genius at the top of his form.

3. Between 1993 and 1996, the FBI increased its counter-terrorism role in the wake of the first 1993 World Trade Center bombing in New York City, New York; the 1995 Oklahoma City bombing in Oklahoma City, Oklahoma; and the arrest of the Unabomber in 1996.