Karen Read's second murder trial revives debate over who killed her Boston police officer boyfriend / Karen Read's second murder trial set to start in death of boyfriend cop: What to know / A guide to the Karen Read case, as she returns to court for her second murder trial / Karen Read trial: Lead detective's wife slams suspected cop killer's media tour as 'unrelenting propaganda' / Karen Read's defense pushes to get charges dropped in her murder case / Massachusetts investigator's vulgar Karen Read texts sideline him in another high-profile murder case / Karen Read investigator now suspended without pay after being relieved of duty for inappropriate texts / Karen Read's high-drama murder trial ended with a hung jury. Here's what to know / The Karen Read murder case ends in a mistrial. Prosecutors say they will try again / Mistrial in Karen Read murder trial