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Murder is the unlawful killing of another human without justification or valid excuse committed with the necessary intention as defined by the law in a specific jurisdiction. This state of mind may, depending upon the jurisdiction, distinguish murder from other forms of unlawful homicide, such as manslaughter. Manslaughter is killing committed in the absence of malice, such as in the case of voluntary manslaughter brought about by reasonable provocation, or diminished capacity. Involuntary manslaughter, where it is recognized, is a killing that lacks all but the most attenuated guilty intent, recklessness.
The right of self-defense is the right for people to use reasonable or defensive force, for the purpose of defending one's own life (self-defense) or the lives of others, including, in certain circumstances, the use of deadly force.
In criminal law, diminished responsibility is a potential defense by excuse by which defendants argue that although they broke the law, they should not be held fully criminally liable for doing so, as their mental functions were "diminished" or impaired.
Collateral estoppel (CE), known in modern terminology as issue preclusion, is a common law estoppel doctrine that prevents a person from relitigating an issue. One summary is that, "once a court has decided an issue of fact or law necessary to its judgment, that decision ... preclude[s] relitigation of the issue in a suit on a different cause of action involving a party to the first case". The rationale behind issue preclusion is the prevention of legal harassment and the prevention of overuse or abuse of judicial resources.
The urban survival syndrome, in United States jurisprudence, can be used either as a defense of justification or of excuse. The first case using, unsuccessfully, the defense of "urban survival syndrome" is the 1994 Fort Worth, Texas murder trial of Daimion Osby.
The concept of justifiable homicide in criminal law is a defense to culpable homicide. Generally, there is a burden to produce exculpatory evidence in the legal defense of justification.
A castle doctrine, also known as a castle law or a defense of habitation law, is a legal doctrine that designates a person's abode or any legally occupied place as a place in which that person has protections and immunities permitting one, in certain circumstances, to use force to defend oneself against an intruder, free from legal prosecution for the consequences of the force used. The term is most commonly used in the United States, though many other countries invoke comparable principles in their laws.
A stand-your-ground law, sometimes called a "line in the sand" or "no duty to retreat" law, provides that people may use deadly force when they reasonably believe it to be necessary to defend against certain violent crimes. Under such a law, people have no duty to retreat before using deadly force in self-defense, so long as they are in a place where they are lawfully present. The exact details vary by jurisdiction.
Voluntary manslaughter is the killing of a human being in which the offender acted during the heat of passion, under circumstances that would cause a reasonable person to become emotionally or mentally disturbed to the point that they cannot reasonably control their emotions. Voluntary manslaughter is one of two main types of manslaughter, the other being involuntary manslaughter.
People v. Goetz, 68 N.Y.2d 96, was a court case chiefly concerning subjective and objective standards of reasonableness in using deadly force for self-defense; the New York Court of Appeals held that a hybrid objective-subjective standard was mandated by New York law.
Self-defence is a defence permitting reasonable force to be used to defend one's self or another. This defence arises both from common law and the Criminal Law Act 1967. Self-defence is a justification defence rather than an excuse.
In the United States, self-defense is an affirmative defense that is used to justify the use of force by one person against another person under specific circumstances.
In the criminal law of Australia, self-defence is a legal defence to a charge of causing injury or death in defence of the person or, to a limited extent, property, or a partial defence to murder if the degree of force used was excessive.
Manslaughter 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.
In the field of criminal law, there are a variety of conditions that will tend to negate elements of a crime, known as defenses. The label may be apt in jurisdictions where the accused may be assigned some burden before a tribunal. However, in many jurisdictions, the entire burden to prove a crime is on the prosecution, which also must prove the absence of these defenses, where implicated. In other words, in many jurisdictions the absence of these so-called defenses is treated as an element of the crime. So-called defenses may provide partial or total refuge from punishment.
In the state of Maryland, the right of self-defense is mostly governed by case law, but there is also a statute.
People v. Berry is a voluntary manslaughter case that is widely taught in American law schools for the appellate court's unusual interpretation of heat of passion doctrine. Although the defendant had time to "cool down" between his wife's verbal admission of infidelity and the killing, the California Supreme Court held that the provocation in this case was adequate to reduce a murder charge to manslaughter. The lower court had relied on the traditional definition of "adequate provocation" in its jury instructions. The California Supreme Court reversed Berry's murder conviction, while affirming Berry's conviction for assault using deadly force.
The Penal Law of the State of New York combines justification and necessity into a single article, Article 35. "Defense of Justification" comprises sections 35.05 through 35.30 of the Penal Law. The general provision relating to necessity, section 35.05, provides:
§ 35.05 Justification; generally.
Unless otherwise limited by the ensuing provisions of this article defining justifiable use of physical force, conduct which would otherwise constitute an offense is justifiable and not criminal when:
Criminal law is a system of laws that is connected with crimes and punishments of an individual who commits crimes. In comparison, civil law is where the case argues their issues with one entity to another entity with support of the law. Crimes can vary in definition by jurisdiction but the basis for a crime are fairly consistent regardless.
Manslaughter is a crime in the United States. Definitions can vary among jurisdictions, but manslaughter is invariably the act of causing the death of another person in a manner less culpable than murder. Three types of unlawful killings constitute manslaughter. First, there is voluntary manslaughter which is an intentional homicide committed in "sudden heat of passion" as the result of adequate provocation. Second, there is the form of involuntary manslaughter which is an unintentional homicide that was committed in a criminally negligent manner. Finally, there is the form of involuntary manslaughter which is an unintentional homicide that occurred during the commission or attempted commission of an unlawful act which does not amount to a felony.
References
- 1 2 3 West's Encyclopedia of American Law, Volume 9. West. 1998. ISBN 9780314201669 . Retrieved 10 September 2017. (Self-Defense).
- ↑ "State v. Jones, 8 P. 3d 1282, 27 Kan. App. 2d 910 (2000)". Google Scholar. Retrieved 10 September 2017.
- ↑ "State v. Faulkner, 483 A.2d 759, 769, 301 Md. 482 (Md. 1984)". Google Scholar. Retrieved 10 September 2017.
- ↑ "Clemency Manual, Appendix 8: Michigan Standard Jury Instructions". Michigan Women's Justice & Clemency Project. University of Michigan Law School. Retrieved 10 September 2017.
- ↑ "People v. Deason, 148 Mich. App. 27, 31, 384 N.W.2d 72 (1985)". Google Scholar. Retrieved 10 September 2017.
- ↑ "People v. Humphrey 13 Cal. 4th 1073, 921 P. 2d 1 (1996)". Google Scholar. Retrieved 10 September 2017.
- ↑ Grumer, Janet (2003). "IX. Self-Defense". Loyola Law Review. 36: 1575. Retrieved 10 September 2017.