Defense attorney Robert Alessi questioned witness Ian Whiffin, a digital intelligence expert with the company Cellebrite, about a call O’Keefe received from his friend Jeffinger McCabe at 12:29 ...

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 ...

Ian Whiffin, digital forensics examiner. Ian Whiffin, a digital forensics expert, illustrated the victim’s final movements after analyzing data taken from O’Keefe’s cell phone.

Ian Whiffin, digital forensics examiner. Ian Whiffin, a digital forensics expert, illustrated the victim’s final movements after analyzing data taken from O’Keefe’s cell phone.

Ian Whiffin, a digital intelligence expert with Cellebrite, testifies under cross-examination by the defense during Karen Read's murder retrial at Norfolk Superior Court in Dedham, Mass., on April ...

Ian Whiffin, a digital intelligence expert with the company Cellebrite, testified that O’Keefe took 36 steps between 12:31 a.m. and 12:32 a.m. for a total of 84 feet on Jan. 29, 2022.

Ian Wiffin, a digital intelligence expert, ... Whiffin also told the jury that the search happened after John O’Keefe’s body was found. Jennifer McCabe will be back on the stand on Wednesday.

Most notably, Whiffin was grilled about what he uncovered on McCabe’s “Hos long to die in cold" search, which had a timestamp of 2:27 a.m. on Jan. 29, 2022, hours before O’Keefe was found dead.