Zachary Clark

Sergeant Zachary Clark is a Massachusetts State Police crime scene technician assigned to the Norfolk CPAC unit under Lt. Brian Tully. He was called to document Karen Read's vehicle at Canton Police Department and the scene at 34 Fairview Road on February 1, 2022, the day after John O'Keefe's body was discovered. His testimony covers fingerprint processing, snow and lawn conditions, vehicle documentation, and reconstruction testing conducted that day. On cross, he was questioned about investigative gaps, including Michael Proctor's unsupervised access to Read's vehicle and the delayed interview of Colin Albert.