Karen Read is accused of killing her Boston police officer boyfriend, John O'Keefe. Her first trial ended in a hung jury.

During Thursday's proceedings, a crash reconstruction expert finished his testimony and the prosecution rested its case.

The Karen Read trial was back in a Massachusetts courtroom as the prosecution called its final witness then 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 ...

Judge Beverly Cannone said that the trial was running "ahead of schedule" before she sent the jury home for the day.

Karen Read's defense attorneys cross-examine key accident expert Judson Welcher in a dizzying day of testimony.

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.

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

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

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

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