November 9, 2017 6:30 pm ‘Serious Allegations': Gov. Baker Promises Review of Trooper's Claims in Lawsuit A Massachusetts State Police trooper has filed a lawsuit against top brass at headquarters, accusing even Col. Richard McKeon of wrongdoing. US & World Videos 2:58 Karen Read trial: Defense accuses prosecution witness of perjury 2:24 Gov. Maura Healey reacts to Steward bankruptcy filing 2:33 Karen Read trial resumes Monday 2:07 Steward Health Care files for bankruptcy 3:17 Northeastern's graduation disrupted by 23-year-old who was then detained by police