Karen Read pleaded not guilty to murder charges in the death of Boston police officer John O’Keefe and is facing a retrial ...

The Karen Read trial is back in court Tuesday for a sixth day of witness testimony with a cellphone expert back on the stand ...

The murder trial of Karen Read, who is charged in the death of her boyfriend, Boston Police Officer John O’Keefe, is ...

The defense will cross-examine a digital forensics expert who testified Monday about John O'Keefe's phone location data.