During the process in which evidence found at the crime scene was being analyzed, criminalist Melvin Hett was given the case by Susan Lands. Three years after the murder, Hett finished his report, and found that seventeen of hairs being questioned were microscopically consistent with Fritz and Williamson. What he failed to mention though, was that hair analysis is extremely unreliable because it is not possible to completely match hair samples, it can only be seen if the hairs were from the same ethnic group, but Hett made it seem like his evidence was a crucial part of determining the murderer. When he took the stand as a witness, his lecture was filled with a plethora of scientific terms designed to impress the jurors. Grisham uses jargon