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Defense Highlights Investigator’s Derogatory Texts and Disputes Crash Analysis in Karen Read Retrial

Proctor’s sexist messages may suggest bias; crash timeline methods are under scrutiny for reliability.

Karen Read speaks with her attorney Alan Jackson during her murder trial in Norfolk Superior Court in Dedham, Massachusetts on Friday, May 30, 2025.
Michael Proctor, right, takes the stand to testif in Karen Read's first trial in June 2024.
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Footage shows the traffic on the Mass Pike near the I-95 interchange during bridge replacement work on June 1, 2025.

Overview

  • The defense began its case in the seventh week after the prosecution rested, calling crash reconstruction expert Matthew DiSogra as its first witness to challenge synchronization of vehicle and phone data.
  • Jonathan Diamandis, a friend of former state trooper Michael Proctor, testified Monday after a judge allowed Proctor’s sexist and derogatory text messages to be admitted to show potential bias.
  • An internal Massachusetts State Police review led to Proctor’s termination in March for policy violations, including sending inappropriate texts and sharing confidential investigation details with non‐law enforcement contacts.
  • Defense attorneys plan to call former Canton Police Officer Kelly Dever and ER physician Dr. Marie Russell to present alternative theories on the cause of Boston Officer John O’Keefe’s fatal injuries.
  • Read’s team argues she was framed by off-duty law enforcement officers who they claim fatally beat O’Keefe at the Canton house party and then planted vehicle evidence.