Karen Read pleaded not guilty to murder charges in the death of Boston police officer John O’Keefe and is facing a retrial after a jury was unable to reach a verdict last year.

Witness testimony resumes for a 12th day Thursday in the Karen Read trial as proceedings remain ahead of schedule. Read told reporters a day earlier that the prosecution's case is nearing an end. You can watch testimony live on CBS News Boston when it begins at 9 a.m. by clicking on the video player above.

A Massachusetts state trooper returned to the stand Friday at the Karen Read murder trial in Norfolk Superior Court. Title: Karen Read murder trial Start time: 05/09/2025 09:18:05 AM End time: 05/12/2025 09:18:05 AM The Bristol County woman is accused of killing her Boston police officer boyfriend John O’Keefe in 2022.