Karen Read, accused of killing Boston police officer John O’Keefe, will not testify in her retrial, which could go to the jury by Friday. Experts have disputed the collision theory and cause of death,

Karen Read will not take the witness stand in the second trial about the death of her Boston police officer boyfriend as the defense has rested.

Judge Beverly Cannone also denied the defense team’s motion for a mistrial based on what Read’s lawyers called “intentional misconduct” from prosecutor Hank Brennan.

Those holes in the back of the hoodie sweatshirt are clearly, unequivocally, without doubt, caused [by] nothing to do with any type of event on or about Jan. 29, 2022,” Alessi asserted, furnishing documents from the criminalist’s file.

Testimony resumed Monday in the Karen Read retrial with a defense expert who argued that crash-dummy tests show Read's SUV did not back into John O'Keefe.