Frye rule has a significant weakness of failing to address situations that involves novel, new, or unique scientific evidence. Except when there is sufficient scientific principle that the expert's testimony is based upon, there should be a rejection of the expert testimony under Frye, (Jack B. Weinstein, 1986)
United States." The rule has been somehow refined and even to certain level replaced and instead "the expert evidence trilogy" applied (Paul C. Giannelli, 1980)