Massachusetts State Police August 9, 2024 6:29 pm Questions of Michael Proctor's credibility could affect more murder cases The NBC10 Boston Investigators are tracking the fallout of Massachusetts State Police Trooper Michael Proctor’s damaging testimony in the Karen Read trial. US & World Videos 0:24 Tentative agreement reached to end Marblehead teacher strike 2:36 Karen Read speaks after court hearing 2:09 Mass. State Police have faced decades of gender discrimination allegations 2:17 Man arrested after interstate police chase appears in court 0:25 Christmas tree from Nova Scotia arrives on Boston Common