"The Great Louse Detective" is the sixth episode of the fourteenth season of the American animated television sitcom "The Simpsons". It originally aired on the Fox network in the United States on December 15, 2002. In the episode, the Simpson family wins a free spa weekend, and Homer is nearly killed when a mysterious figure locks him in a sauna. Chief Wiggum decides to hire someone who can think like a murderer in order to find the mystery assailant. Bart's mortal enemy Sideshow Bob is sent to live with the Simpsons so he can help find Homer's attempted killer, who turns out to be the son of a man whom Homer drove to insanity in a previous episode.