Welcher spoke extensively about force, mass, and acceleration. He says damage to Read’s Lexus matches O’Keefe’s injuries.

A strange, long-necked marine predator from the age of dinosaurs has finally received its name, after more than 20 years of ...

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

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.

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

A contested accident reconstruction expert testified Tuesday, explaining a series of experiments and measurements that he ...

The Karen Read retrial for the murder of John O’Keefe returned to court today, Day 21, after a five-day weekend. Watch proceedings live in the player below. Learn the fundamentals of the case here: ...

After nearly a week-long break, the second murder trial of Karen Read is expected to gavel back into session Tuesday morning.

Some witnesses will testify again in the second trial, including a retired emergency room doctor who said the wounds on John ...

It’s been a month since testimony began in Karen Read’s second trial for the murder of John O’Keefe, and the new trial has ...

The prosecution appears to be on the verge of resting its case in the Karen Read retrial, which resumes Tuesday after ...

A group of fossils of elasmosaurs—some of the most famous in North America—have just been formally identified as belonging to ...