Key witness Jennifer McCabe, whose presence has loomed over the Karen Read retrial, was finally called to the stand Tuesday and gave detailed testimony on John O’Keefe’s final night. “At 4:53, my phone rings

Mark Bederow, criminal defense attorney and former prosecutor, joins NewsNation to analyze the sixth day of testimony in the Karen Read murder retrial. Defense attorneys pointed to victim John O'Keefe's iPhone movement and Face ID unlock,

The Karen Read trial is back in court Tuesday for a sixth day of witness testimony with a cellphone expert back on the stand for cross-examination expected about Jen McCabe's Google search and John O'Keefe's movements the night of his death.