Commonwealth v. Read — Trial ArchiveDaniel Wolfe
Dr. Daniel Wolfe is a principal at ARCCA Inc., an accident reconstruction and engineering firm with federal government contracts, who was retained as an independent third-party analyst through the Department of Justice and FBI to evaluate the physical evidence in the Karen Read case. His testimony centered on whether damage to the rear tail light of Read's Lexus LX 570 was consistent with striking John O'Keefe's body. Across both trials, Wolfe presented results from projectile and drop testing — including impacts with a drinking glass and a crash test dummy — concluding that the observed damage pattern was inconsistent with a pedestrian strike at the speeds alleged by the prosecution. His appearances in both trials spanned voir dire qualification, direct examination, and extended cross and redirect exchanges focused on his methodology and independence.
Trial 1 vs Trial 2
In Trial 1, Wolfe's voir dire and testimony focused primarily on establishing his independence and the physical inconsistency between the tail light damage and a pedestrian strike, with prosecution challenges concentrated on the scope of materials he had been provided and the completeness of his methodology documentation. By Trial 2, the prosecution had significantly expanded its attack on his independence, centering the voir dire on the deleted text messages, Signal use, and the pre-testimony outline he sent to Jackson — evidence that was not part of Trial 1 proceedings. Trial 2 also featured a much longer and more detailed cross-examination of Wolfe's crash testing methodology, including the arm weight discrepancy and the absence of fabric research, and Wolfe's testimony extended into a second trial day with redirect, recross, re-redirect, and re-recross sequences not present in Trial 1.