DiSogra clarified that his testimony was actually that none of the SUV’s “Techstream” events were triggered by a collision. “Are you offering that Ms. Read’s Lexus never got into a ...

During his testimony, DiSogra said “none of” Read’s SUV techstream events “were triggered by a collision.” Karen Read left the courthouse around 4:20 p.m. and was immediately asked by ...

He did this first for Burgess’ first report, which was based on reconciling vehicle “techstream” data — an in-vehicle system which records unusual vehicle events, like the backup event ...

Based on the initial report of the prosecution expert, all the possibilities show O’Keefe’s phone being locked after the techstream event, he confirmed. But on re-cross, Brennan accused him of ...

Additionally, he pointed out that the airbag control module in Read's SUV recorded no collision events and that trigger events in the vehicle's techstream data do not necessarily indicate a collision.

Russell said she also reviewed the techstream data from Read’s Lexus but “I honestly did not understand it.” Russell said she didn’t know about O’Keefe’s cellphone data, but she did ...

Welcher testified that he was able to match Techstream data from Read’s Lexus SUV to the vehicle’s infotainment clock using reports from his colleague, Shanon Burgess, showing the moment Read ...

According to Welcher, the “Techstream” data from Read’s SUV indicates she accelerated in reverse around the same time she’s alleged to have struck O’Keefe. At bat for the defense ...

“Do you have an opinion to a reasonable degree of forensic data certainty about whether the Techstream data provides data reflecting whether a collision actually occurred?” Brennan asked.

Burgess’ substantive testimony both Monday and Tuesday dealt with his work to reconcile the clocks between Read’s SUV infotainment system — which creates techstream “trigger” events when ...

Karen Read‘s second trial in connection with the death of her boyfriend, Boston police officer John O’Keefe, continued on Tuesday in Dedham’s Norfolk Superior Court before Judge Beverly Cannone.

“In your Jan. 30, 2025 report, you did not mention techstream events at all, did you?” Alessi asked. Burgess testified he remembers adding the techstream events in the most recent report and ...