The jury in Karen Read’s murder trial has begun deliberations after closing arguments were presented. Read is accused of killing her boyfriend, Boston police officer John O’Keefe, by backing into him with her SUV over three years ago.

The Karen Read trial progressed into its tenth day with a former police lieutenant facing cross-examination over the handling of evidence. The focus on procedural practices marks a pivotal point in the ongoing legal proceedings.

For the first time in the Karen Read trial, witness Kerry Roberts faced a rigorous cross-examination by defense attorney Alan Jackson, who grilled her on the stand for over an hour.