United States August 8, 2018 6:41 pm William Gross Discusses Plans for Boston PD William Gross, who made history Monday when he was sworn in as Boston’s first black police commissioner, sat down with NBC 10 Boston’s Malcolm Johnson to discuss his plans for the department. US & World Videos 2:09 Celtics win Game 4 in Miami, lead Heat 3-1 in series 2:28 Motorcyclist arrested in deadly Methuen hit-and-run 2:21 Tempers flare at Canton police audit meeting 2:36 Karen Read trial begins with opening statements Monday 2:22 Karen Read jurors hear opening statements