Read is accused of striking John O’Keefe with her SUV in 2022 and leaving him to die alone in the snow outside of a house party in the town of Canton, a suburb about 20 miles south of Boston. She has been charged with second-degree murder, manslaughter while operating a vehicle under the influence and leaving the scene.

Karen Read is accused of hitting her boyfriend, a Boston police officer, and leaving him for dead in 2022. Defense attorneys say she was framed.

Opening statements in Read’s murder trial will be held Tuesday, more than three years after O’Keefe’s death rocked the town of Canton and launched a sprawling legal saga that has since captured the nation.