Jackson pressed McCabe on her testimony from the first trial about the last time she saw Read’s SUV and when she noticed it was gone. McCabe said she could not remember the specific times. “At a bare minimum, you were at the door looking out the window ... four times, correct?” Jackson asked.

Key witness Jen McCabe took the stand Tuesday in the sixth day of witness testimony in the Karen Read trial after a cellphone expert finished his testimony about McCabe's disputed Google search and John O'Keefe's movements the night of his death. When court was done for the day, Judge Beverly Cannone issued a stern warning for defense attorneys.

Karen Read pleaded not guilty to murder charges in the death of Boston police officer John O’Keefe and is facing a retrial after a jury was unable to reach a verdict last year.