{"data":{"id":"us-ct/conn.-gen.-stat.-54-86i","jurisdiction":"us-ct","citation":"Conn. Gen. Stat. § 54-86i","heading":"Testimony of expert witness re mental state or condition of defendant.","body":"No expert witness testifying with respect to the mental state or condition of a defendant in a criminal case may state an opinion or inference as to whether the defendant did or did not have the mental state or condition constituting an element of the crime charged or of a defense thereto, except that such expert witness may state his diagnosis of the mental state or condition of the defendant. The ultimate issue as to whether the defendant was criminally responsible for the crime charged is a matter for the trier of fact alone.","path":["TITLE 54. CRIMINAL PROCEDURE","CHAPTER 961*. TRIAL AND PROCEEDINGS AFTER CONVICTION","PART I. DISCOVERY, TRIAL AND WITNESSES"],"source_url":"https://www.cga.ct.gov/current/pub/chap_961.htm#sec_54-86i","current_through":"Revised to January 1, 2026 (2026 Supplement to the General Statutes of Connecticut, applied over the base revision of January 1, 2025)","vintage":"","retrieved_at":"2026-09-06T19:07:19Z","sha256":"87b7249e2051d96d7d839299d91747fe90d157e67a048ce3e2a08cbf80330fe6","source_id":"us-ct","stale":false,"prev":"us-ct/conn.-gen.-stat.-54-86h","next":"us-ct/conn.-gen.-stat.-54-86j"},"notice":"GroundRules: Original legal text. Not legal advice."}