Karen Read, accused of killing her boyfriend, Boston police officer John O'Keefe, by allegedly striking him with her SUV in January 2022, returns to court following a mistrial. The defense claims jurors unanimously agreed to acquit her of second-degree murder and leaving the scene, focusing their deadlock solely on the charge of manslaughter. Prosecutors intend to retry the case, dismissing the defense's claims as sensational and without merit. Judge Beverly Cannone's mistrial order and the defense's subsequent motions to dismiss key charges will be central in the upcoming hearings. Meanwhile, Read's Mansfield home has been listed for sale, adding another layer to the high-profile case.