Judson Welcher, an accident reconstruction expert speaks on the witness stand during the Karen Read retrial at Norfolk Superior Court, Wednesday May 28, 2025, in Dedham, Mass. Greg Derr/The ...

Murder trial of Karen Read in the death of her former boyfriend, Boston police officer John O'Keefe, approaches final stage with closing arguments set after extensive testimony.

Crash reconstructionist Judson Welcher, a key prosecution witness in the Karen Read trial, completed three days of intense questioning on Thursday inside Norfolk Superior Court. Minutes later, the ...

Expert Judson Welcher clashed with Read’s defense team during cross examination about his analysis of what occurred the night Boston Police Officer John O’Keefe died in January 2022 using data ...

Judson Welcher, an accident reconstructionist and biomechanical engineer with Aperture LLC, testified that the black box data within Read’s vehicle did not register a collision on the morning of ...

Judson Welcher testifies during the Karen Read trial, Tuesday, May 27, 2025, in Dedham. – Matt Stone/The Boston Herald via AP, Pool. Abby Patkin Staff Writer.

The Karen Read defense rested its case after testimony from their final witness who reiterated his opinion that the evidence does not support the prosecution’s theory that a vehicle strike ...

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 ...

Prosecutors at the trial of Karen Read called crash reconstruction expert Judson Welcher to the stand on Tuesday to explain data from Read’s Lexus from the January 2022 night Boston Police ...

Judson Welcher, an accident reconstruction expert speaks on the witness stand during the Karen Read retrial at Norfolk Superior Court, Wednesday May 28, 2025, in Dedham, ...

Prosecutors at the trial of Karen Read called crash reconstruction expert Judson Welcher to the stand on Tuesday to explain data from Read’s Lexus from the January 2022 night Boston Police ...