18 U.S.C. § 17 - U.S. Code - Unannotated Title 18. Crimes and Criminal Procedure § 17. Insanity defense

(a) Affirmative defense. --It is an affirmative defense to a prosecution under any Federal statute that, at the time of the commission of the acts constituting the offense, the defendant, as a result of a severe mental disease or defect, was unable to appreciate the nature and quality or the wrongfulness of his acts.  Mental disease or defect does not otherwise constitute a defense.

(b) Burden of proof. --The defendant has the burden of proving the defense of insanity by clear and convincing evidence.


FindLaw Codes are provided courtesy of Thomson Reuters Westlaw, the industry-leading online legal research system. For more detailed codes research information, including annotations and citations, please visit Westlaw.

FindLaw Codes may not reflect the most recent version of the law in your jurisdiction. Please verify the status of the code you are researching with the state legislature or via Westlaw before relying on it for your legal needs.