Here's what you need to know before tonight's new episode of Manhunt: Unabomber. | Investigation Discovery

In an interview with Ted Koppel, David Kaczynski reflected on the moment he suspected his brother, Ted Kaczynski, was the Unabomber after reading the manifesto. He said the writings argued that technology’s promise of control could become an illusion, a warning he called “prophetic” as society confronts artificial intelligence. | CBS Sunday Morning