There’s no question that an expert witness can play a critical role in the courtroom. Expert witnesses are often asked to evaluate and offer opinions in cases on a multitude of subjects including engineering, medicine, safety, marketing, and accident reconstruction.
Expert witnesses are accepted by the court due to a demonstrated proficiency, or expertise, within a field due to their education, certification, experience and general training. The must apply this knowledge to a related matter of the case that is being tried and that they have been called to testify on. The court then weighs the testimony of the expert witness more heavily than that of an average citizen.