Rule 702 Testimony by experts If scientific, technical, or other specialized knowledge will assist the trier of fact to understand the evidence or to determine a fact in issue, a witness qualified as an expert by knowledge, skill, experience, training, or education, may testify thereto in the form of an opinion or otherwise, if: (1) The testimony is based upon sufficient facts or data; (2) The testimony is the product of reliable principles and methods; and (3) The witness has applied the principles and methods reliably to the facts of the case. Effective: May 1, 2007 History: Enacted 1990 Ky. Acts ch. 88, sec. 50; renumbered (7/1/92) pursuant to 1992 Ky. Acts ch. 324, sec. 34; amended May 1, 2007, Supreme Court of Kentucky Order 2007-02.