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.

Jurors heard expert testimony on the search for how long it takes to die in the cold was made. Read allegedly left her boyfriend to die in the snow.

Digital forensics expert Jessica Hyde weighed in on Jennifer McCabe's “hos long to die in cold” search Wednesday in Karen Read's retrial.

Jurors in the Karen Read murder trial on Wednesday heard testimony about physical evidence collected from the crime scene and a digital forensic analysis of contested data from the cellphone of a key witness.

Photos shared on Wednesday at the trial of Karen Read, a former finance professor accused of hitting Boston Police Officer John O’Keefe, 46, with her SUV and leaving him for dead, show the damaged state her vehicle was in then.

Forensic expert Jessica Hyde testified about Jennifer McCabe's disputed Google search at the Karen Read trial Wednesday.

As week two of testimony in the Karen Read retrial has wrapped up, with the court only in session for four days this week and the majority of the testimony coming from prosecution witness and victim John O'Keefe's friend Jen McCabe,

He collected evidence found ... he didn’t do the analysis or report on any of these. Digital forensic data analyst Jessica Hyde on the witness stand Wednesday for the Karen Read trial explains ...

The retrial of Karen Read, the Massachusetts woman accused of hitting her police officer boyfriend with her car and leaving him for dead, resumed with police testimony following an abrupt one-day break in court proceedings.