Criminal law, state laws, is intended to define the appearance of the action that is considered guilty and impose criminal sanctions for the failure to lay down a legal act or not act in any way is wrong.
Criminal law is a state law to determine the nature of what constitutes an offense. And impose criminal penalties for the offense. The law stipulates that the act or not act in any way as an offense.
Criminal law is a law to determine the characteristics of the French action is wrong. The criminal penalties for the mistake. As the law provided that do or not do one's fault.