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 ...

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

Digital forensics specialist Ian Whiffin testified Monday that location data on O’Keefe’s phone was consistent with the device being near a flagpole on the lawn of the home from 12:32 a.m ...

DEDHAM, Mass. (WJAR) — Digital forensics specialist Ian Whiffin was back on the stand Tuesday for cross-examination at the Karen Read murder trial in Norfolk Superior Court. Whiffin testified ...

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 ...

Prosecutor Adam Lally listens as special prosecutor Hank Brennan questions Ian Whiffin, a digital intelligence expert with Celebrite, about the data on Jen McCabe's iPhone during Karen Read'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 ...