Intention (criminal law)In criminal law, intent is a subjective state of mind (mens rea) that must accompany the acts of certain crimes to constitute a violation. A more formal, generally synonymous legal term is scienter: intent or knowledge of wrongdoing. Intent is defined in English law by the ruling in R v Mohan [1976] QB 1 as "the decision to bring about a prohibited consequence" (malum prohibitum). A range of words represents shades of intent in criminal laws around the world.
Omission (law)In law, an omission is a failure to act, which generally attracts different legal consequences from positive conduct. In the criminal law, an omission will constitute an actus reus and give rise to liability only when the law imposes a duty to act and the defendant is in breach of that duty. In tort law, similarly, liability will be imposed for an omission only exceptionally, when it can be established that the defendant was under a duty to act or duty of care.
ManslaughterManslaughter is a common law legal term for homicide considered by law as less culpable than murder. The distinction between murder and manslaughter is sometimes said to have first been made by the ancient Athenian lawmaker Draco in the 7th century BC. The definition of manslaughter differs among legal jurisdictions. Voluntary manslaughter For voluntary manslaughter, the offender had intent to kill or seriously harm, but acted "in the moment" under circumstances that could cause a reasonable person to become emotionally or mentally disturbed.
Provocation (legal)In law, provocation is when a person is considered to have committed a criminal act partly because of a preceding set of events that might cause a reasonable individual to lose self control. This makes them less morally culpable than if the act was premeditated (pre-planned) and done out of pure malice (malice aforethought). It "affects the quality of the actor's state of mind as an indicator of moral blameworthiness." Provocation is often a mitigating factor in sentencing.
Malice aforethoughtMalice aforethought is the "premeditation" or "predetermination" (with malice) required as an element of some crimes in some jurisdictions and a unique element for first-degree or aggravated murder in a few. Insofar as the term is still in use, it has a technical meaning that has changed substantially over time. Malice aforethought is a direct translation of the Law French term malice prépensée, so the adjective follows the noun as in French. The phrase is in the Hebrew Bible, Deuteronomy 19 verses 4 and 6.
CulpabilityIn criminal law, culpability, or being culpable, is a measure of the degree to which an agent, such as a person, can be held morally or legally responsible for action and inaction. It has been noted that the word, culpability, "ordinarily has normative force, for in nonlegal English, a person is culpable only if he is justly to blame for his conduct". Culpability therefore marks the dividing line between moral evil, like murder, for which someone may be held legally responsible, and a randomly occurring event, like naturally occurring earthquakes or naturally arriving meteorites, for which no human can be held responsible.
Criminal lawCriminal law is the body of law that relates to crime. It prescribes conduct perceived as threatening, harmful, or otherwise endangering to the property, health, safety, and welfare of people inclusive of one's self. Most criminal law is established by statute, which is to say that the laws are enacted by a legislature. Criminal law includes the punishment and rehabilitation of people who violate such laws. Criminal law varies according to jurisdiction, and differs from civil law, where emphasis is more on dispute resolution and victim compensation, rather than on punishment or rehabilitation.
Insanity defenseThe insanity defense, also known as the mental disorder defense, is an affirmative defense by excuse in a criminal case, arguing that the defendant is not responsible for their actions due to a psychiatric disease at the time of the criminal act. This is contrasted with an excuse of provocation, in which the defendant is responsible, but the responsibility is lessened due to a temporary mental state. It is also contrasted with the justification of self defense or with the mitigation of imperfect self-defense.
Mens reaIn criminal law, mens rea (ˈmɛnz_ˈreːə; Law Latin for "guilty mind") is the mental state of a defendant who is accused of committing a crime. In common law jurisdictions, most crimes require proof both of mens rea and actus reus ("guilty act") before the defendant can be found guilty. The standard common law test of criminal liability is expressed in the Latin phrase actus reus non facit reum nisi mens sit rea, i.e. "the act is not culpable unless the mind is guilty".
