In "Criminal Minds" Season 6, Episode 16 ("Coda"), the BAU investigates the kidnapping of a Louisiana couple, with the husband killed and the wife rescued from an economically desperate local fisherman. Dr. Reid connects with the victims' autistic son to identify the perpetrator, while a subplot highlights Emily Prentiss confronting her nemesis, Ian Doyle. The episode is available to stream on Paramount+ . S6E16 - “Coda” - Unsubs: A Criminal Minds Podcast