Judson Welcher, a crash reconstruction expert called by the prosecution, was back on the stand for a second day of testimony ...

The Karen Read trial was back in a Massachusetts courtroom as the prosecution called its final witness then rested its case.

Prosecutors rested their case Thursday morning after accident reconstructionist Judson Welcher finished his testimony and ...

Karen Read's defense attorneys cross-examine key accident expert Judson Welcher in a dizzying day of testimony.

Thursday's testimony in the Karen Read trial concluded. Catch a recap of the day here as the prosecution rested its case.

Judson Welcher, an accident reconstructionist from Aperture LLC, who is key to the prosecution's case, took the stand Tuesday ...

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

In the trial of Karen Read, accused of killing John O’Keefe, defense scrutinizes crash expert's costly experiments and ...

Testimony continues Wednesday in the Karen Read murder trial after a contested accident reconstruction expert explained a ...

Judge Beverly Cannone said that the trial was running "ahead of schedule" before she sent the jury home for the day.

Special prosecutor Hank Brennan went on the attack Tuesday as defense dog bite expert Dr. Marie Russell returned to the stand ...