Trooper Michael Proctor's conduct in Karen Read trial leads Massachusetts State Police to "look in the mirror" CBS BostonAfter Vulgar Testimony, Lead Investigator in Karen Read Case Is 'Relieved of Duty' After Mistrial PEOPLEMassachusetts State Trooper Michael Proctor "relieved of duty" after Karen Read mistrial CBS BostonNo Karen Read verdict, but lessons from hung jury for a retrial The Boston Globe