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 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.

Read's defense attorney questioned crash reconstruction expert Judson Welcher, one of the prosecution's key witnesses, without the jury present to determine his competency to testify and the ...

A crash reconstruction expert has provided jurors his analysis of Karen Read's vehicle the night her boyfriend was killed in ...

The Karen Read trial was back inside Norfolk Superior Court on Tuesday for the first time in nearly a week as the prosecution ...

A crash reconstruction expert on Tuesday provided jurors his analysis of Karen Read’s vehicle the night her boyfriend was ...

The witness was Dr. Judson Welcher, an accident reconstructionist who said he bought an SUV similar to Read’s to conduct ...

Judson Welcher testified that Karen Read’s SUV traveled backwards at about 23.9 miles per hour for at least 54 feet. WBZ-TV’s ...

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.

Reconstruction expert Judson Welcher testified Tuesday that Read must have had "three quarters of a full throttle" on the gas pedal.

Judson Welcher, an accident reconstructionist from Aperture LLC, performed a test using an SUV similar to Karen Read's Lexus.

As Karen Read’s second murder trial approaches its sixth week, an accident reconstruction expert took the stand at the Norfolk Superior Court in Massachusetts. According to The Boston Globe, Judge ...