Everything Horror 👻 on Instagram: "I’ll never forget the feeling watching this episode for the first time. Just gutwrenching. 🍿: Rita’s death in Dexter occurs at the end of Season 4 and marks one of the show’s most devastating turning points. After Dexter finally kills Arthur Mitchell, the Trinity Killer, he believes the threat to his family is over. But in a cruel final act, Arthur murders Rita offscreen, killing her in the bathtub of their home—the same way Arthur’s own victims died. Dexter