Overview

• Karen Read, accused of murdering her boyfriend, Boston police officer John O'Keefe, pleads not guilty as her trial starts.
• Judge Beverly Cannone, overseeing the case, has denied multiple defense motions, including one to allow a third-party culprit defense in opening statements.
• The defense claims O'Keefe was killed at a party and his body was staged outside to implicate Read, fueling a federal investigation into a potential cover-up.
• Controversial blogger Aiden Kearney, supporting Read, faces charges of witness intimidation, adding to the case's complexity.
• Jury selection has commenced, with expectations of a lengthy and challenging trial due to the case's high public and media involvement.