WI SB380

Prohibits defendants from using "adequate provocation" as a defense to reduce first-degree intentional homicide to second-degree when the claimed provocation stems from discovering or learning about a victim's gender identity, gender expression, or sexual orientation

Eliminates the self-defense privilege when the claim is based on a victim's actual or perceived gender, gender identity, gender expression, or sexual orientation

Excludes from the definition of "mental disease or defect" any mental state resulting from discovery of or reaction to another person's gender identity or sexual orientation, preventing use of the insanity defense in such cases

Applies to circumstances including when a victim made a non-violent romantic or sexual advance toward the defendant, or when the defendant and victim had dated or been in a romantic or sexual relationship

Takes effect for offenses committed on or after the act's effective date