A retired California-based doctor who testified as an expert witness for the defense in Karen Read's first trial will be back on the stand Tuesday. Prosecutors are trying to exclude future testimony from Dr.

A hearing is being held Tuesday morning in the Karen Read case ahead of her second trial later this year. The hearing started at 9 a.m. in Norfolk Superior Court. You can watch it live in the video player above.

Another hearing in the Karen Read murder case is set to happen on Tuesday. The Mansfield woman is accused of backing into her Boston police officer boyfriend during a 2022 snowstorm. An expert who spoke in the first trial about victim's John O'Keefe's injuries is expected to be back on the stand to answer questions from prosecutors.