Expert Shanon Burgess faces scrutiny over timeline errors and credentials in Karen Read's trial as the defense challenges the reliability of vehicle and phone data analysis.

The first witness called by Karen Read's defense explained that there were few scenarios where John O'Keefe's phone locked before Read's car accelerated in reverse.

Karen Read's lawyers say she was framed for the death of her boyfriend, John O'Keefe, in a conspiracy devised by Massachusetts cops.

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.

The prosecution in Karen Read’s murder retrial filed a motion on Wednesday asking Judge Beverly Cannone to remove a key piece of evidence from the court record.

The live Karen Read trial is being watched ... DiSogra's testimony to question the findings of Shanon Burgess, a prosecution witness who analyzed Read's Lexus SUV data and testified that she ...

Prosecutors’ crash reconstruction expert testified about the sudden acceleration Read’s SUV made and what injuries are consistent with a car crash.