{"data":{"id":"us-wa/rcw-9a.12.010","jurisdiction":"us-wa","citation":"RCW 9A.12.010","heading":"Insanity.","body":"To establish the defense of insanity, it must be shown that:\n(1) At the time of the commission of the offense, as a result of mental disease or defect, the mind of the actor was affected to such an extent that:\n(a) He or she was unable to perceive the nature and quality of the act with which he or she is charged; or\n(b) He or she was unable to tell right from wrong with reference to the particular act charged.\n(2) The defense of insanity must be established by a preponderance of the evidence.","path":["Title 9A","Chapter 9A.12"],"source_url":"https://app.leg.wa.gov/rcw/default.aspx?cite=9A.12.010","current_through":"July 15, 2026","vintage":"","retrieved_at":"2026-09-06T00:49:44Z","sha256":"949bfe52874611eb9bf0a8f8b84276fa525885ee15ddde2ce2ab4683a2c24860","source_id":"us-wa","stale":false,"prev":"us-wa/rcw-9a.08.040","next":"us-wa/rcw-9a.16.010"},"notice":"GroundRules: Original legal text. Not legal advice."}