Karen Read is charged with second-degree murder, manslaughter and leaving the scene of a crime in the death of John O'Keefe.

Karen Read’s defense is set to call its first witness on Friday, marking a new phase in her retrial in the killing of John ...

The Karen Read trial is now in the hands of the defense, which called its first witness today. The prosecution rested its ...

The prosecution rested following a very short day of testimony with crash reconstructionist Judson Welcher remaining on the ...

Thursday's testimony in the Karen Read trial concluded. Catch a recap of the day here as the prosecution rested its case.

Karen Read pleaded not guilty to murder charges in the death of Boston police officer John O’Keefe and is facing a retrial ...

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

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

Karen Read and attorney Alan Jackson look at the empty jury box while listening to Judge Beverly Cannone during Read's murder ...

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

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

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