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Defense Biomechanist Challenges Crash Theory in Karen Read Retrial

The jury will begin deliberations by Monday after testimony that O’Keefe’s wounds did not align with a collision by Read’s SUV.

Karen Read talks with Judge Beverly Cannone when asked if she wants to take the stand in her own defense in Norfolk Superior Court, Dedham, Mass. on Wednesday June 11, 2025.
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Overview

  • Defense expert Andrew Rentschler testified that the pattern of head and body injuries contradicted a high-speed vehicle impact.
  • Prosecutors maintain that Read backed her Lexus SUV into Officer O’Keefe while intoxicated and left him to die outside in a blizzard.
  • Read’s defense argues that fellow officers beat O’Keefe and allowed a German Shepherd to attack him before framing her by planting his body.
  • The retrial follows a hung jury in 2024 and has featured snowplow-driver accounts and forensic experts offering divergent explanations of O’Keefe’s death.
  • Judge Beverly Cannone indicated that jurors could receive the case as soon as Friday after both sides wrap up closing arguments.