Federal prosectors said the grand juror disclosed the names of witnesses.
The U.S. Supreme Court has denied Karen Read's emergency request to stay her state murder trial. No explanation was given for the denial of the request.
Karen Read has filed an emergency petition with the Supreme Court seeking an immediate stay of her trial pending review on her claims of constitutional violation.
A Massachusetts judge has scheduled the retrial in Karen Read's murder case for early next year, three weeks after declaring a mistrial in the high-profile case.
A fourth juror in the Karen Read trial confirmed the jury found her "not guilty" of second-degree murder and leaving a scene of personal injury and death.
The Massachusetts judge overseeing the Karen Read murder trial declared a mistrial Monday after jurors reached an impasse.
