Attendant circumstance

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Criminal law
Elements
Actus reus Mens rea Causation Concurrence
Scope of criminal liability
Accessory Accomplice Complicity Corporate Principal Vicarious
Severity of offense
Felony (or Indictable offense) Infraction (also called violation) Misdemeanor (or Summary offense)
Inchoate offenses
Attempt Conspiracy Incitement Solicitation
Offense against the person
Assassination Assault Battery Child abuse Criminal negligence Defamation Domestic violence False imprisonment Frameup Harassment Home invasion Homicide Human trafficking Intimidation Kidnapping Menacing Manslaughter (corporate) Mayhem Murder felony Negligent homicide Robbery Stalking Torture
Sexual offenses
Adultery Bigamy Child sexual abuse Cybersex trafficking Fornication Homosexuality Incest Indecent exposure Masturbation Obscenity Prostitution Rape Sex trafficking Sexual assault Sexual slavery Voyeurism
Crimes against property
Arson Arms trafficking Blackmail Bribery Burglary Embezzlement Extortion False pretenses Forgery Fraud Gambling Intellectual property violation Larceny Looting Payola Pickpocketing Possessing stolen property Robbery Smuggling Tax evasion Theft Trespass to land Vandalism, Mischief
Crimes against justice
Compounding Malfeasance in office Miscarriage of justice Misprision Obstruction Perjury Perverting the course of justice
Crimes against the public
Apostasy Begging Censorship violation Dueling Genocide Hostage-taking Illegal consumption (such as prohibition of drugs, alcohol, and smoking) Miscegenation Piracy Regicide Terrorism Usurpation War crimes
Crimes against animals
Cruelty to animals Poaching Wildlife smuggling Bestiality
Crimes against the state
Lèse-majesté Treason Espionage Secession Sedition Subversion
Defenses to liability
Actual innocence Automatism Consent Defense of property Diminished responsibility Duress Entrapment Ignorantia juris non excusat Infancy Insanity Justification Mistake (of law) Necessity Provocation Self-defense
Other common-law areas
Contracts Defenses Evidence Property Torts Wills, trusts and estates
Portals
Law
v t e

In law, attendant circumstances (sometimes external circumstances) are the facts surrounding an event.

In criminal law in the United States, the definition of a given offense generally includes up to three kinds of "elements": the actus reus, or guilty conduct; the mens rea, or guilty mental state; and the attendant (sometimes "external") circumstances. The reason is given in Powell v. Texas, 392 U.S. 514, 533 (1968):

...criminal penalties may be inflicted only if the accused has committed some act, has engaged in some behavior, which society has an interest in preventing.

The burden of proof is on the prosecution to prove each "element of the offense" in order for a defendant to be found guilty. The Model Penal Code §1.13(9) offers the following definition of the phrase "elements of an offense":

(i) such conduct or (ii) such attendant circumstances or (iii) such a result of conduct as

(a) is included in the description of the forbidden conduct in the definition of the offense; or

(b) establishes the required kind of culpability; or

(c) negatives an excuse or justification for such conduct; or

(d) negatives a defense under the statute of limitations; or

(e) establishes jurisdiction or venue;