Criminal law is the body of law that defines criminal offences and the penalties for convicted offenders. Apprehending, charging, and trying suspected offenders is regulated by the law of criminal procedure. In every jurisdiction, a crime is committed where three elements are fulfilled. First, the accused must commit the criminal act, or actus reus (guilty act). Second, there must exist a victim, who suffered a legally recognised harm. In the case of victimless crimes, the legal system regards the accused (or society at large), as the victim of the criminal act. Third, there must exist causation, which is a logical connection, supported by evidence, that establishes the link between the criminal act and the harm suffered. If it cannot be proven that the act caused the harm, a conviction cannot be sustained. For most, but not all crimes, the criminal must also have the requisite malicious intent to do a criminal act, or mens rea (guilty mind). A mens rea, however, is not a required element for strict liability crimes, such as statutory rape, which require only that the accused engaged in a criminal act; the legal system does not take into account the mental state of the accused when determining culpability for the offense.