For the third day in a row, Dr. Judson Welcher took the stand in the retrial of Karen Read, defending tests he ran with an SUV similar to Read’s which he says proves she hit John O’Keefe.

Key prosecution witness Judson Welcher returned to the stand Thursday for a third day of testimony in Karen Read’s second murder trial, after a dizzying day of cross-examination. Welcher, a ...

An accident reconstructionist, Dr. Judson Welcher, faced cross-examination about his analysis of Read’s vehicle and injuries to O’Keefe. Judge Beverly Cannone told jurors to expect a half-day ...

An accident reconstructionist, Dr. Judson Welcher, faced cross-examination about his analysis of Read’s vehicle and injuries to O’Keefe. Judge Beverly Cannone told jurors to expect a half-day ...

Before the jury was brought in Tuesday, Judson Welcher of the accident reconstruction, biomechanics and digital forensics company Aperture LLC took the stand for a last-minute voir dire - a ...

Accident reconstructionist Judson Welcher donned the exact same outfit 46-year-old Boston cop John O’Keefe was wearing when he died in January 2022 — down to the correct sneaker model and ...

But Judson Welcher, a biomechanical engineer and accident reconstruction expert, testified that data from Read’s 2021 Lexus showed that at 12:32 a.m., outside 34 Fairview, the vehicle drove ...

Judson Welcher, an accident reconstructionist and biomechanical engineer, testified for the prosecution the evidence is consistent with O’Keefe being struck by a vehicle identical to Read’s on ...

Earlier, day 23 of testimony began with a hearing outside the jury's presence, where defense attorney Robert Alessi argued that prosecution expert Judson Welcher relied on findings from ...