Expert witnesses clash in Karen Read's murder trial over whether her Lexus struck Officer John O'Keefe, with a retired judge ...

For the final test, ARCCA used a dummy weighing about 200 pounds. A collision between the dummy and the SUV at that speed ...

So he tried to dress identically to John, but didn’t do anything else to mimic what the Commonwealth is accusing me of,” Read ...

Karen Read's defense team has sought to prove that she was framed for the death of her cop boyfriend John O’Keefe.

The Karen Read trial is back in Norfolk Superior Court on Wednesday as crash reconstruction expert Judson Welcher is back on ...

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

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

Karen Read's defense began to take shape this week. Here's what you need to know from the seventh week of her retrial.

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

It’s a question that has been at the center of testimony this week in the second Karen Read murder trial, where she stands ...

Judson Welcher also testified earlier in the day that Read's SUV reversed at 74% throttle around the time she's alleged to ...

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