Defense in Karen Read trial proposes that Boston Police Officer John O'Keefe's death might be linked to a "jealousy"-fueled fight with ATF agent Brian Higgins.

Karen Read accused John O'Keefe of cheating on her on a trip to Aruba in 2021. Prosecutors want the jury to hear more about the incident.

Prosecutors played multiple profanity-laden voicemails that Karen Read left John O’Keefe on the morning he died for jurors in Read's murder trial.

Massachusetts State Police sergeant's testimony in Karen Read's murder trial reveals doubts about John O'Keefe's injuries, questioning hit-and-run charges.

Karen Read is charged with manslaughter, motor vehicle homicide and leaving the scene of a deadly crash in Canton, Massachusetts.

Testimony in the Karen Read retrial was canceled on Tuesday due to a health issue, officials said. Sources told WMUR's sister station in Boston that Read was the person who was sick. State troopers were already in place at the courthouse when it was announced the proceedings were cancelled.

Karen Read left John O’Keefe a slew of profanity-laden voicemails in the hours leading up to the discovery of his lifeless body in the snow outside of a home in Canton in January 2022.

Footage shows 'Turtleboy' blogger Aidan Kearney yelling and gesturing at a surveillance camera in a pizza shop owned by Karen Read trial witnesses.

Evidence about a prior fight between Karen Read and John O'Keefe may be allowed in court after defense team's questioning created an opening for prosecutors.