The Expression Of Scientific Certainty By Expert Witnesses In American Jurisprudence
An expert witness is a person authorized by a judge to share professional opinions in a court of law about subjects in which the expert was found to be sufficiently knowledgeable and competent.
During criminal or civil litigation, the permission granted to expert witnesses to give their opinions about topics of interest (DNA, fingerprints, accounting, ballistics, engineering, toxicology, and so forth) gives them considerable power and influence in the courtroom as compared to other kinds of witnesses.
Expert witnesses serve as consultants - so to speak - to the courts. In this…