Jennifer McCabe, a key witness in the Karen Read trial, finished testimony on Friday after several hours on the witness stand for cross-examination from defense attorney Alan Jackson in Norfolk Superior Court.

The second week of Karen Read's trial has concluded following testimony from key witness Jennifer McCabe, forensic scientist Hannah Knowles and digital intelligence expert Ian Whiffin

One of Read’s lawyers, Alan Jackson, will continue his cross-examination of McCabe on Friday beginning at 9 a.m. Read, 45, is charged with second-degree murder in the death of O’Keefe, who was found outside the home of a fellow Boston police officer on Jan. 29, 2022.