Whether a defendant charged with statutory rape may defend by showing that he honestly and reasonably believed the complainant had reached the age of consent.
Holding
Yes. Absent a contrary legislative direction, a reasonable, good-faith mistake that the complainant was at least 18 years old is a defense to statutory rape because it negates criminal intent.
Reasoning
Penal Code section 20 provides that a crime ordinarily requires a union of act and intent or criminal negligence, and section 26 excuses a person who acts under a mistake of fact that disproves criminal intent. The statutory-rape provision did not expressly eliminate those general requirements.
The court rejected the premise of earlier California cases that a person who has intercourse with an underage female always acts at his peril as to her age. A person who proceeds with disregard for her age, or without reasonable grounds to believe she is of age, possesses the requisite culpable intent. But a person who reasonably and in good faith believes that she is old enough has sought to ensure that his conduct is lawful rather than consciously accepted the risk of criminality.
The court drew support from People v. Vogel, which recognized a good-faith mistake-of-fact defense to bigamy. As with a person who reasonably relies on what appears to be a valid divorce, a person who reasonably believes his sexual partner has reached the age of consent does not become morally blameworthy merely because the underlying fact later proves otherwise.
Protecting sexually naive minors remains an important public policy, but allowing the defense does not abandon that protection. A claimed mistake concerning a child whose plainly tender appearance makes the belief unreasonable will fail. The rule also does not make a minor's consent a defense when the defendant knows she is underage; it applies only when the defendant lacked criminal intent because of a reasonable factual mistake.
The court overruled People v. Ratz and People v. Griffin, and disapproved People v. Sheffield to the extent those decisions imposed strict liability for the complainant's age in statutory-rape prosecutions.