According to biomechanics expert Andrew Rentschler, the abrasions on John O’Keefe’s arm weren’t consistent with contacting the taillight on Read’s SUV. The post Livestream: Final defense witness back on the stand in Karen Read trial appeared first on Boston.

Jurors began deliberations Friday in the murder trial of Karen Read, who is accused of backing her SUV into her Boston police officer boyfriend, John O’Keefe, and leaving him for dead. Six jurors were selected at random to be alternate jurors. The remaining 12 jurors, seven women and five men, will decide the case.