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

Cellebrite expert Ian Whiffin walked jurors through one of the most contentious pieces of evidence in Karen Read’s case ...

Read is accused of striking John O’Keefe, her Boston police officer boyfriend, with her SUV and leaving him to die alone in a ...

Ian Whiffin testified to the locations John O'Keefe's phone traveled and the final health data it collected before his death.

What to Know Karen Read is charged with second-degree murder, manslaughter while operating a vehicle under the influence and ...

Whiffin’s presentation includes a slide showing all the “high frequency” location data from O’Keefe’s phone on the night of Jan. 29, 2022. The data is accurate within 10 meters ...

Special prosecutor Hank Brennan, right, questions Ian Whiffin, a digital intelligence expert with Celebrite, about the data ...

Liverpool were crowned Premier League title winners in the most convincing fashion by thrashing Tottenham Hotspur on Sunday afternoon. After former Reds striker Dominic Solanke scored the opener ...

Under direct examination by special prosecutor Hank Brennan, Ian Whiffin, a digital intelligence expert with Celebrite, details a photograph showing the location (red dots) of John O'Keefe's ...

Cross-examination of a prosecution cell phone expert will resume Tuesday morning. With Whiffin still on the stand, Cannone called for a brief morning recess. Whiffin’s testimony should resume ...