Karen Reed’s Trial Continues
The defense in the trial of Karen Reed, concerning the death of Boston police officer John O’Keefe, is nearing its conclusion. They have called what they believe to be their last expert witness as the proceedings that began in April move forward.
Prosecutors argue that Reed and her associates placed O’Keefe back in the Lexus after a night of drinking, leaving him to die outside a house party during the severe snowstorm on January 29, 2022.
On Tuesday afternoon, Dr. Andrew Lenzschler provided testimony and is expected to return for additional questioning before the defense rests. Notably, Reed has decided not to testify in her own defense.
Details About the Case
Dr. Lenzschler works as a biomechanicist, focusing on how physics and engineering translate to human injuries. Earlier in the retrial, his colleague, Dr. Daniel Wolf, noted inconsistencies between the damage to O’Keefe’s clothing and Reed’s SUV, questioning the circumstances of the collision.
Rentschler described his work by comparing it to that of a mechanical engineer, emphasizing the physical forces that may cause injuries to the human body. He noted that a theoretical collision at 15 mph would not typically result in a skull fracture. Previous testimonies have suggested that O’Keefe’s fatal injuries appeared to align more closely with a fall rather than from the vehicle.
Earlier in the day, Reed expressed to reporters that she would not take the stand, a decision that trial lawyer Grace Edwards viewed as prudent. Edwards mentioned that being subjected to cross-examination could introduce complications, particularly regarding Reed’s drinking habits that night.
As the trial progresses, all eyes are on the defense as they attempt to navigate these critical moments. Reed’s decision not to testify may complicate matters further; the looming cross-examination could prove challenging, involving documentary clips and other evidence from her past statements.


