Take a child with an IQ of 167, isolate him in a cabin without electricity, and feed him decades of growing rage and radical theory. This episode reconstructs the slow-motion derailment of Theodore Kaczynski, the mathematical prodigy who became the Unabomber and the target of the longest, most expensive investigation in FBI history.

We trace how a Harvard student and Berkeley professor disconnected from humanity, reporting his stated motives strictly to understand the mechanics of his ideology, not to endorse it.

• His early skipping of a grade, intense bullying, and the psychological toll of the Henry Murray study at Harvard.
• His resignation from Berkeley, retreat to a Montana cabin, and the logging road that pushed him toward violence.
• The 17-year campaign of 16 devices that killed three people and injured 23, bui ...