Overview

• Prosecutors presented DNA evidence linking John O’Keefe to Karen Read’s SUV, including findings from a broken taillight and a drinking glass at the scene.
• Digital forensics expert Shannon Burgess testified about SUV black-box data and timeline reconstruction but admitted to misrepresenting his academic credentials.
• The defense argues that Read is the victim of a police conspiracy and suggests evidence may have been planted, raising questions about alternate suspects.
• Testimony revealed that a hair sample found on Read’s SUV matched O’Keefe’s mitochondrial DNA but could also match his maternal relatives.
• Judge Beverly Cannone allowed newly amended reports and expert testimony despite defense objections over discovery concerns.