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

Karen Read's defense attorneys will cross-examine key accident expert Judson Welcher about his analysis of John O'Keefe's ...

Dr. Judson Welcher said he believes the damage to Read’s SUV and relevant data was “consistent with a collision” with O’Keefe ...

Prosecutors’ crash reconstruction expert testified about the sudden acceleration Read’s SUV made and what injuries are ...

Prosecutors in Karen Read's trial use crash expert data to support claims she hit boyfriend John O’Keefe with her SUV as ...

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

Dr. Judson Welcher testified on cross-examination that his experiment using a Lexus SUV and blue paint to depict Karen Read's alleged collision with John O'Keefe was reputable after attorney Robert ...

Weighing in on prosecutors' theory that Karen Read backed her SUV into John O'Keefe, Judson Welcher opined, “That is what happened.” ...

The prosecution in Karen Read’s murder retrial filed a motion on Wednesday asking Judge Beverly Cannone to remove a key piece ...

The Karen Read trial resumed Tuesday with a 19th day of witness testimony inside Norfolk Superior Court in Dedham, ...

Karen Read pleaded not guilty to murder charges in the death of Boston police officer John O’Keefe and is facing a retrial after a jury was unable to reach a verdict last year.

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