The O.J. Simpson Case - What Role Does an Expert Witness Play in a Criminal Trial?

Criminal trial

In a criminal trial, the specialized knowledge and objective analysis of an expert witness can make or break a case. The criminal trial of O.J. Simpson, charged with the murders of Nicole Brown Simpson and Ronald Goldman, stands as a prime example. This trial, often dubbed “The Trial of the Century,” demonstrates how pivotal expert testimony can be in influencing judicial outcomes.

Key Expert Witness: Dr. Henry Lee

Introducing Dr. Henry Lee, a forensic scientist of notable repute, whose testimony for the defense became a turning point in the trial. Dr. Lee didn’t just highlight deficiencies; he meticulously dismantled the prosecution’s handling of crime scene evidence. Dr. Lee's critique centered on the blood evidence, questioning the prosecution's interpretation of blood splatter patterns and the presence of blood on various items. He suggested that the prosecution’s evidence wasn't as definitive as they claimed.

Leveraging his expertise in crime scene reconstruction, Dr. Lee proposed alternative scenarios, establishing a reasonable doubt among jurors. Despite the overwhelming public perception of Simpson's guilt, the jury acquitted him.

Finding the Right Expert Witness: What Sets Brewster & De Angelis Apart

Our commitment to excellence and a collaborative approach set Brewster & De Angelis apart in finding expert witnesses. Here's how:

  • Expertise and Experience: With decades of experience in complex legal cases, we have a credible record of securing top-tier expert witnesses who have made significant impacts in court.
  • Personalized Approach: We take a personalized approach to every case, understanding the unique challenges and nuances involved, and finding experts who can address these specifics effectively.
  • Resourcefulness and Dedication: Our team is dedicated to exhaustive research and resourcefulness, ensuring no stone is left unturned in the pursuit of justice for our clients.
  • Collaborative Relationships: We build strong, collaborative relationships with our expert witnesses, fostering a partnership that enhances the quality and effectiveness of their testimony.


Dr. Henry Lee’s contributions in the O.J. Simpson case demonstrate the necessity of a thorough and fair examination of evidence. At Brewster & De Angelis, we understand the importance of expert witnesses in complex legal cases. We collaborate with leading professionals to provide our clients with comprehensive legal representation. Contact us today to learn how our expertise can support your case.