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Criminal law



 
 
The term criminal law, sometimes called penal law, refers to any of various bodies of rules in different jurisdiction
Jurisdiction

In law, jurisdiction is the practical authority granted to a formally constituted legal body or to a political leader to deal with and make pronouncements on legal matters and, by implication, to administer justice within a defined area of responsibility....
s whose common characteristic is the potential for unique and often severe impositions as punishment for failure to comply. Criminal punishment, depending on the offense
Offense (law)

In law, an offence is a violation of the penal law. An offence can range from a simple misdemeanor to a felony . In common law usage, 'offence' differs from 'crime' in that there is typically no victim, but the action remains prohibited by statute....
 and jurisdiction
Jurisdiction

In law, jurisdiction is the practical authority granted to a formally constituted legal body or to a political leader to deal with and make pronouncements on legal matters and, by implication, to administer justice within a defined area of responsibility....
, may include execution, loss of liberty
Liberty

Liberty, the freedom to act or believe without being stopped by unnecessary force, is generally considered in modern time to be a concept of political philosophy and identifies the condition in which an individual has the right to act according to his or her own free will....
, government supervision (parole
Parole

Parole may have different meanings depending on the field and judiciary system. All of the meanings originated from the French language parole, meaning " word." Following its use in late-medieval Anglo-French chivalric practice, the term became associated with the release of prisoners based on prisoners giving their word of honor to abide...
 or probation
Probation

Probation is as sentence which may be imposed by a court in lieu of incarceration. A criminal who is "on probation" has been convicted of a crime but has served only part of the sentence in jail, or has not served time at all....
), or fines. There are some archetypal crimes, like murder
Murder

Murder as defined in common law countries, is the unlawful killing of another human being with intent , and generally this state of mind distinguishes murder from other forms of unlawful homicide....
, but the acts that are forbidden are not wholly consistent between different criminal codes, and even within a particular code lines may be blurred as civil infractions may give rise also to criminal consequences.






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The term criminal law, sometimes called penal law, refers to any of various bodies of rules in different jurisdiction
Jurisdiction

In law, jurisdiction is the practical authority granted to a formally constituted legal body or to a political leader to deal with and make pronouncements on legal matters and, by implication, to administer justice within a defined area of responsibility....
s whose common characteristic is the potential for unique and often severe impositions as punishment for failure to comply. Criminal punishment, depending on the offense
Offense (law)

In law, an offence is a violation of the penal law. An offence can range from a simple misdemeanor to a felony . In common law usage, 'offence' differs from 'crime' in that there is typically no victim, but the action remains prohibited by statute....
 and jurisdiction
Jurisdiction

In law, jurisdiction is the practical authority granted to a formally constituted legal body or to a political leader to deal with and make pronouncements on legal matters and, by implication, to administer justice within a defined area of responsibility....
, may include execution, loss of liberty
Liberty

Liberty, the freedom to act or believe without being stopped by unnecessary force, is generally considered in modern time to be a concept of political philosophy and identifies the condition in which an individual has the right to act according to his or her own free will....
, government supervision (parole
Parole

Parole may have different meanings depending on the field and judiciary system. All of the meanings originated from the French language parole, meaning " word." Following its use in late-medieval Anglo-French chivalric practice, the term became associated with the release of prisoners based on prisoners giving their word of honor to abide...
 or probation
Probation

Probation is as sentence which may be imposed by a court in lieu of incarceration. A criminal who is "on probation" has been convicted of a crime but has served only part of the sentence in jail, or has not served time at all....
), or fines. There are some archetypal crimes, like murder
Murder

Murder as defined in common law countries, is the unlawful killing of another human being with intent , and generally this state of mind distinguishes murder from other forms of unlawful homicide....
, but the acts that are forbidden are not wholly consistent between different criminal codes, and even within a particular code lines may be blurred as civil infractions may give rise also to criminal consequences. Criminal law typically is enforced by the government
Government

Government is the body within any organization that has the authority to make and the power to enforce laws, regulations, or rules. Typically, the government refers to a civil government -- local, provincial, or national -- but commercial, academic, religious, or other formal organizations are also administered by governing bodies....
, unlike the civil law
Civil law (common law)

Civil law, as opposed to criminal law, refers to that branch of law dealing with disputes between individuals and/or organizations, in which damages may be awarded to the victim....
, which may be enforced by private parties.

Criminal law history

The first civilizations generally did not distinguish between civil and criminal law. The first written codes of law were produced by the Sumerians. Around 2100-2050 BC Ur-Nammu
Ur-Nammu

Ur-Nammu founded the Sumerian 3rd dynasty of Ur, in southern Mesopotamia, following several centuries of Akkadian Empire and Gutian period rule....
, the Neo-Sumerian king of Ur
Ur

Ur is modern Tell el-Mukayyar, Iraq, and was a city in ancient Sumer. Once a coastal city near the mouth of the then Euphrates river on the Persian Gulf, Ur is now well inland....
, enacted the oldest written legal code whose text has been discovered: the Code of Ur-Nammu
Code of Ur-Nammu

The Code of Ur-Nammu is the oldest known tablet containing a law code surviving today. It was written in the Sumerian language ca. 2100-2050 BC....
 although an earlier code of Urukagina
Urukagina

Urukagina , alternately rendered as Uruinimgina or Irikagina, was a ruler of the city-state Lagash in Mesopotamia. He is best known for his reforms to combat corruption, which are sometimes cited as the first example of a legal code in recorded history....
 of Lagash
Lagash

Lagash is located northwest of the junction of the Euphrates and Tigris rivers and east of Uruk, Lagash was one of the oldest cities of Sumer and later Babylonia....
 is also known to have existed. Another important early code was the Code Hammurabi, which formed the core of Babylonian law
Babylonian law

Archaeological material for the study of Babylonian law is singularly extensive. So-called "contracts" exist in the thousands, including a great variety of deeds, Conveyancing, bonds, receipts, accounts, and most important of all, actual legal decisions given by the judges in the law courts....
. These early legal codes did not separate penal and civil laws.
Salemwitchcrafttrial
The similarly significant Commentaries of Gaius on the Twelve Tables
Twelve Tables

The Law of the Twelve Tables was the ancient legislation that stood at the foundation of Roman law. The Law of the Twelve Tables formed the centerpiece of the constitution of the Roman Republic and the core of the mos maiorum....
 also conflated the civil and criminal aspects, treating theft or furtum as a tort
Tort

Tort law is the name given to a body of law that addresses, and provides remedies for, civil wrongs not arising out of contractual obligations. A person who suffers legal damages may be able to use tort law to receive compensation from someone who is liability, or "liable," for those injuries....
. Assault and violent robbery
Robbery

Robbery is the crime of seizing property through violence or intimidation. At common law, robbery is defined as taking the property of another, with the intent to permanently deprive the person of that property, by means of force or fear....
 were analogized to trespass
Trespass

Trespass is a legal concept, which refers to intrusion into another person's property. Trespass to land is a type of trespass, which can cause criminal or a tort liability....
 as to property. Breach of such laws created an obligation of law or vinculum juris discharged by payment of monetary compensation or damages
Damages

In law, damages refer to the money paid or awarded to a claimant , pursuer or plaintiff following a successful claim in a lawsuit....
.

The first signs of the modern distinction between crimes and civil matters emerged during the Norman Invasion of England. The special notion of criminal penalty, at least concerning Europe, arose in Spanish Late Scolasticism (see Alfonso de Castro
Alfonso de Castro

Alfonso de Castro , known also as Alphonsus a Castro, was a Franciscan theologian and jurist. He belongs to the group of theologian-jurists known as the School of Salamanca ....
), when the theological notion of God's penalty (poena aeterna) that was inflicted solely for a guilty mind, became transfused into canon law first and, finally, to secular criminal law. The development of the state
State

A state is a political Social contract with effective sovereignty over a geographic area and representing a population. These may be nation states, State or multinational states....
 dispensing justice
Justice

Justice is the concept of morality rightness based on ethics, rationality, law, natural law, fairness and equity."...
 in a court clearly emerged in the eighteenth century when European countries began maintaining police services. From this point, criminal law had formalized the mechanisms for enforcement, which allowed for its development as a discernible entity.

Criminal sanctions

Criminal law is distinctive for the uniquely serious potential consequences or sanctions
Sanctions (law)

Sanctions are wikt:penalty or other means of wikt:enforcement used to provide wikt:incentive for wikt:obedient with the law, or with rules and regulations....
 for failure to abide by its rules. Every crime is composed of criminal elements
Element (criminal)

An element of a crime is a basic set of common law principles regarding criminal liability that, with few exceptions, constitute the essential elements to prove that the defendant committed a crime under Law of the United States....
. Capital punishment
Capital punishment

Capital punishment, the death penalty or execution, is the killing of a person by procedural law for Punishment#Retribution and Punishment#Incapacitation....
 may be imposed in some jurisdictions for the most serious crimes. Physical or corporal punishment
Corporal punishment

Corporal punishment is the deliberate infliction of pain intended to punish a person or change his/her behavior. Historically speaking, most forms of punishment, whether in judicial, domestic, or educational settings, were corporal in basis....
 may be imposed such as whipping
Flagellation

Flagellation is the act of whipping the human body. Specialised implements for it include rods, Switch and the cat-o-nine-tails. Typically, whipping is performed on unwilling subjects as a punishment; however, flagellation can also be submitted to willingly, or performed on oneself, in religious or Sadism and masochism contexts....
 or caning
Caning

Caning is a physical punishment consisting of a number of hits with a wooden cane#Disciplinary implement, generally applied to the bare or clad buttocks , shoulder, hand or the soles of the foot ....
, although these punishments are prohibited in much of the world. Individuals may be incarcerated in prison
Prison

A prison, penitentiary, or correctional facility is a place in which individuals are physically confined or internment and usually deprived of a range of personal Freedom ....
 or jail
Jail

Jail, also spelled gaol, is a place for confinement. Other uses:* Jail , program resources sandbox mechanism* Chroot jail, a command on Unix operating systems...
 in a variety of conditions depending on the jurisdiction. Confinement may be solitary. Length of incarceration may vary from a day to life. Government supervision may be imposed, including house arrest
House arrest

In justice and law, house arrest is a measure by which a person is confined by the authorities to his or her House. Travel is usually restricted, if allowed at all....
, and convicts may be required to conform to particularized guidelines as part of a parole
Parole

Parole may have different meanings depending on the field and judiciary system. All of the meanings originated from the French language parole, meaning " word." Following its use in late-medieval Anglo-French chivalric practice, the term became associated with the release of prisoners based on prisoners giving their word of honor to abide...
 or probation
Probation

Probation is as sentence which may be imposed by a court in lieu of incarceration. A criminal who is "on probation" has been convicted of a crime but has served only part of the sentence in jail, or has not served time at all....
 regimen. Fines also may be imposed, seizing money or property from a person convicted of a crime.

Five objectives are widely accepted for enforcement of the criminal law by punishments: retribution
Retributive justice

Retributive justice is a theory of justice that considers that punishment, if Eye for an eye, is a morally acceptable response to crime, with an eye to the satisfaction and psychological benefits it can bestow to the aggrieved party, its intimates and society....
, deterrence
Deterrence (legal)

Deterrence is often contrasted with retributivism, which holds that punishment is a necessary consequence of a crime and should be calculated based on the gravity of the wrong done....
, incapacitation, rehabilitation
Rehabilitation (penology)

Rehabilitation means; To restore to useful life, as through therapy and education or To restore to good condition, operation, or capacity....
 and restitution
Restitution

The law of restitution is the law of gains-based recovery. It is to be contrasted with the damages, which is the law of loss-based recovery. Obligations to make restitution and obligations to pay compensation are each a type of legal response to events in the real world....
. Jurisdictions differ on the value to be placed on each.

  • Retribution
    Retributive justice

    Retributive justice is a theory of justice that considers that punishment, if Eye for an eye, is a morally acceptable response to crime, with an eye to the satisfaction and psychological benefits it can bestow to the aggrieved party, its intimates and society....
     - Criminals ought to suffer in some way. This is the most widely seen goal. Criminals have taken improper advantage, or inflicted unfair detriment, upon others and consequently, the criminal law will put criminals at some unpleasant disadvantage to "balance the scales." People submit to the law to receive the right not to be murdered and if people contravene these laws, they surrender the rights granted to them by the law. Thus, one who murders may be murdered himself. A related theory includes the idea of "righting the balance."
  • Deterrence
    Deterrence (legal)

    Deterrence is often contrasted with retributivism, which holds that punishment is a necessary consequence of a crime and should be calculated based on the gravity of the wrong done....
     - Individual deterrence is aimed toward the specific offender. The aim is to impose a sufficient penalty to discourage the offender from criminal behavior. General deterrence aims at society at large. By imposing a penalty on those who commit offenses, other individuals are discouraged from committing those offenses.
  • Incapacitation - Designed simply to keep criminals away from society so that the public is protected from their misconduct. This is often achieved through prison
    Prison

    A prison, penitentiary, or correctional facility is a place in which individuals are physically confined or internment and usually deprived of a range of personal Freedom ....
     sentences today. The death penalty or banishment
    Banishment

    Banishment may refer to* The Banishment, a 2008 film by Andrey Zvyagintsev* Exile...
     have served the same purpose.
  • Rehabilitation
    Rehabilitation (penology)

    Rehabilitation means; To restore to useful life, as through therapy and education or To restore to good condition, operation, or capacity....
     - Aims at transforming an offender into a valuable member of society. Its primary goal is to prevent further offense by convincing the offender that their conduct was wrong.
  • Restitution
    Restitution

    The law of restitution is the law of gains-based recovery. It is to be contrasted with the damages, which is the law of loss-based recovery. Obligations to make restitution and obligations to pay compensation are each a type of legal response to events in the real world....
     - This is a victim-oriented theory of punishment. The goal is to repair, through state authority, any hurt inflicted on the victim by the offender. For example, one who embezzles will be required to repay the amount improperly acquired. Restitution is commonly combined with other main goals of criminal justice and is closely related to concepts in the civil law
    Civil law (common law)

    Civil law, as opposed to criminal law, refers to that branch of law dealing with disputes between individuals and/or organizations, in which damages may be awarded to the victim....
    .


Criminal law jurisdictions


International law

Public international law deals extensively and increasingly with criminal conduct, that is heinous and ghastly enough to affect entire societies and regions. The formative source of modern international criminal law was the Nuremberg trials
Nuremberg Trials

The Nuremberg Trials were a series of trials, or tribunals, most notable for the prosecution of prominent members of the political, military, and economic leadership of Nazi Germany after its defeat in World War II....
 following the Second World War in which the leaders of Nazism
Nazism

Nazism, officially National Socialism , refers to the ideology and practices of the National Socialist German Workers? Party under Adolf Hitler, and the policies adopted by the dictatorial government of Nazi Germany from 1933 to 1945....
 were prosecuted for their part in genocide
Genocide

Genocide is the deliberate and systematic destruction, in whole or in part, of an ethnic, racial, religious, or national group.While precise genocide definitions, a legal definition is found in the 1948 United Nations Convention on the Prevention and Punishment of the Crime of Genocide ....
 and atrocities across Europe. The Nuremberg trials marked the beginning of criminal fault for individuals, where individuals acting on behalf of a government can be tried for violations of international law without the benefit of sovereign immunity. In 1998 an International criminal court
International Criminal Court

The International Criminal Court , Cour p?nale internationale in french language, is a permanent tribunal to prosecute individuals for genocide, crime against humanity, war crimes, and the crime of aggression ....
 was established in the Hague under what is known as the Rome Statute
Rome Statute of the International Criminal Court

The Rome Statute of the International Criminal Court is the treaty that established the International Criminal Court . It was adopted at a diplomatic conference in Rome on 17 July 1998 and it entered into force on 1 July 2002....
. This is specifically to try heads and members of governments who have taken part in crimes against humanity. Not all countries have agreed to take part, including Yemen
Yemen

Yemen , officially the Republic of Yemen is an Arab country located on the Arabian Peninsula in Southwest Asia. Yemen has an estimated population of more than 23 million people and is bordered by Saudi Arabia to the North, the Red Sea to the West, the Arabian Sea and Gulf of Aden to the South, and Oman to the east....
, Libya
Libya

Libya , officially the Great Socialist People's Libyan Arab Jamahiriya , is a country located in North Africa. Bordering the Mediterranean Sea to the north, Libya lies between Egypt to the east, Sudan to the southeast, Chad and Niger to the south, and Algeria and Tunisia to the west....
, Iraq
Iraq

Iraq , officially the Republic of Iraq , is a country in Western Asia spanning most of the northwestern end of the Zagros Mountains, the eastern part of the Syrian Desert and the northern part of the Arabian Desert....
, Israel
Israel

Israel officially the State of Israel , is a country in the Middle East located on the eastern shore of the Mediterranean Sea. It borders Lebanon in the north, Syria in the northeast, Jordan in the east, and Egypt on the southwest, and contains geographically diverse features within its relatively small area....
 and the United States
United States and the International Criminal Court

Positions in the United States concerning the International Criminal Court vary widely. At the present, the position of the United States is set by the outgoing Presidency of George W....
.

United States

In the United States
United States

The United States of America is a Federal government constitutional republic comprising U.S. state and a federal district. The country is situated mostly in central North America, where its Contiguous United States and Washington, D.C., the Capital districts and territories, lie between the Pacific Ocean and Atlantic Oceans, Borders of the U...
, criminal prosecutions typically are initiated by complaint
Complaint

In general use, a complaint is an expression of displeasure, such as poor service at a store, or from a local government, etc. In legal terminology, a complaint is a formal legal document that sets out the basic facts and legal reasons that the filing party believes are sufficient to support a claim against another person, persons, entity...
 issued by a judge or by indictment
Indictment

In the common law legal system, an indictment is a formal accusation that a person has committed a criminal offense. In those jurisdictions which retain the concept of a felony, the serious criminal offense would be a felony; those jurisdictions which have abolished the concept of a felony often substitute the concept of an indictable offenc...
 issued by a grand jury. As to felonies in Federal court, the Fifth Amendment to the United States Constitution
Fifth Amendment to the United States Constitution

The Fifth Amendment of the United States Constitution, which is part of the United States Bill of Rights, protects against abuse of government authority in a legal procedure....
 requires indictment
Indictment

In the common law legal system, an indictment is a formal accusation that a person has committed a criminal offense. In those jurisdictions which retain the concept of a felony, the serious criminal offense would be a felony; those jurisdictions which have abolished the concept of a felony often substitute the concept of an indictable offenc...
. The Federal requirement does not apply to the states, which have a diversity of practices. Three states (Connecticut, Pennsylvania, and Washington) and the District of Columbia do not use grand jury indictments at all. The Sixth Amendment
Sixth Amendment to the United States Constitution

The Sixth Amendment to the United States Constitution is the part of the United States Bill of Rights which sets forth rights related to criminal prosecutions in federal courts....
 guarantees a criminal defendant the right to a speedy
Speedy trial

Speedy trial refers to one of the rights guaranteed by the United States Constitution to defendants in criminal law proceedings. The right to a speedy trial, guaranteed by the sixth Amendment to the United States Constitution, is intended to ensure that defendants are not subjected to unreasonably lengthy incarceration prior to a fair trial....
 and public trial
Public trial

Public trial or open trial is a trial open to public, as opposed to the secret trial. The term should not be confused with show trial....
, in both state and Federal courts, by an impartial jury of the State and district wherein the crime was committed, and to be informed of the nature and cause of the accusation; to be confronted with the witnesses against him; to have compulsory process for obtaining witnesses in his favor, and to have the assistance of Counsel for his defense. The interests of the state are represented by a prosecuting attorney. The defendant may defend himself pro se, and may act as his own attorney, if desired.

In most U.S. law schools, the basic course in criminal law is based upon the Model Penal Code
Model Penal Code

The Model Penal Code is a statutory text which was developed by the American Law Institute in 1962. The Chief Reporter on the project was Herbert Wechsler....
 and examination of Anglo-American common law. Crimes in the U.S. which are outlawed nearly universally, such as murder
Murder

Murder as defined in common law countries, is the unlawful killing of another human being with intent , and generally this state of mind distinguishes murder from other forms of unlawful homicide....
 and rape
Rape

Rape, also referred to as sexual assault, is an assault by a person involving sexual intercourse with or sexual penetration of another person without that person's consent....
 are occasionally referred to as malum in se
Malum in se

Malum in se is a list of Latin phrases meaning wrong or evil in itself. This concept is a part of the value consensus model explanation of the origins of the criminal law....
, while other crimes reflecting society's social attitudes and morality, such as drug prohibition
Prohibition (drugs)

The prohibition of drugs through sumptuary law legislation or religious law is a common means of attempting to control drug use. Prohibition of drugs has existed at various levels of government or other authority, from the Middle Ages to the present....
 and alcohol laws
Alcohol laws of the United States by state

This list of alcohol laws of the United States by state provides an overview of alcohol-related laws by U.S. state throughout the United States....
 are referred to as malum prohibitum
Malum prohibitum

Malum prohibitum is a List of Latin phrases used in law to refer to conduct that constitutes an unlawful act only by virtue of statute, as opposed to conduct evil in and of itself, or malum in se. Conduct that was so clearly violative of society's standards for allowable conduct that it was illegal under English common law is usuall...
.

England and Wales

Oldbaileylondon 900
Criminal law in England and Wales derives from a number of diverse sources. The definitions of the different acts that constitute criminal offenses can be found in the common law (murder, manslaughter, conspiracy to defraud) as well as in thousands of independent and disparate statutes and more recently from supranational legal regimes such as the EU. As the law lacks the criminal codes that have been instituted in the United States and civil law
Civil law (legal system)

Civil law is a most prevalent legal system in the modern world and the oldest in human history. It is based on a code, or "a systematic collection of interrelated articles written in a terse, staccato style." The two other major legal systems in the world are common law and Islamic law....
 jurisdictions, there is no unifying thread to how crimes are defined, although there have been calls from the Law Commission for the situation to be remedied. Criminal trials are administered hierarchically, from magistrates' courts, through the Crown Court
Crown Court

The Crown Court of England and Wales is, together with the High Court of Justice of England and Wales and the Court of Appeal of England and Wales, one of the constituent parts of the Supreme Court of Judicature in England and Wales....
s and up to the High Court
High Court of Justice

The High Court of Justice is, together with the Crown Court and the Court of Appeal of England and Wales, part of the Courts of England and Wales ....
. Appeals are then made to the Court of Appeal and then to the House of Lords
House of Lords

The House of Lords is the second house of the Parliament of the United Kingdom and is also commonly referred to as "the Lords". The Parliament comprises the British monarchy, the British House of Commons , and the Lords....
 on matters of law. Further appeals may be possible to the European Court of Justice or European Court of Human Rights.

Procedurally, offenses are classified as indictable and summary offenses; summary offenses may be tried before a magistrate without a jury, while indictable offenses are tried in a crown court before a jury. The distinction between the two is broadly between that of minor and serious offenses. At common law crimes are classified as either treason
Treason

In law, treason is the crime that covers some of the more serious acts of loyalty to one's sovereignty or nation. Historically, treason also covered the murder of specific social superiors, such as the murder of a husband by his wife ....
, felony
Felony

A felony is a serious crime in the United States and previously other common law countries. The term originates from English common law where felonies were originally crimes which involved the confiscation of a convicted person's land and goods; other crimes were called misdemeanors....
 or misdemeanor
Misdemeanor

A misdemeanor, or misdemeanour, in many common law legal systems, is a "lesser" crime act. Misdemeanors are generally punishment much less severely than felony, but theoretically more so than administrative infractions ....
.

The way in which the criminal law is defined and understood in England and Wales is less exact than in the United States as there have been few official articulations on the subject. The body of criminal law is considerably more disorganised, thus finding any common thread to the law is very difficult. A consolidated English Criminal Code
English Criminal Code

The jurisdiction of England and Wales does not have a Criminal Code though such an instrument has been often recommended and attempted. , the Law Commission is again working on the Code....
 was drafted by the Law Commission
Law Commission

A Law Commission or Law Reform Commission is an independent body set up by a government to conduct law reform; that is, to consider the state of laws in a jurisdiction and make recommendations or proposals for legal changes or restructuring....
 in 1989 but, though codification has been debated since 1818, as of 2007, has not been implemented. Scotland and Northern Ireland have their own legal systems and are distinct jurisdictions within the United Kingdom of Great Britain and Northern Ireland.

Selected criminal laws

Many laws are enforced by threat of criminal punishment, and their particulars may vary widely from place to place. The entire universe of criminal law is too vast to intelligently catalog. Nevertheless, the following are some of the more known aspects of the criminal law.

Elements
Element (criminal)

An element of a crime is a basic set of common law principles regarding criminal liability that, with few exceptions, constitute the essential elements to prove that the defendant committed a crime under Law of the United States....

The criminal law generally prohibits undesirable acts. Thus, proof of a crime requires proof of some act. Scholars label this the requirement of an actus reus
Actus reus

Actus reus, sometimes called the Element or the objective element of a crime, is the Latin term for the "guilty act" which, when proved beyond a reasonable doubt in combination with the mens rea, "guilty mind", produces criminal liability in the common law-based criminal law jurisdictions of Canada, Australia, New Zealand, England, I...
 or guilty act. Some crimes particularly modern regulatory offenses require no more, and they are known as strict liability
Strict liability

Strict liability makes a person responsible for the damage and loss caused by his/her acts and omissions regardless of culpability . Strict liability is important in torts , corporations law, and criminal law....
 offenses. Nevertheless, because of the potentially severe consequences of criminal conviction, judges at common law
Common law

Common law refers to law and the corresponding Legal systems of the world developed through legal opinion of courts and similar tribunals , rather than through statute law or Executive ....
 also sought proof of an intent to do some bad thing, the mens rea
Mens rea

In criminal law, mens rea the Latin term for "guilty mind" is usually one of the necessary Element of a crime. The standard common law test of criminal liability is usually expressed in the Latin phrase, actus non facit reum nisi mens sit rea, which means that "the act does not make a person guilty unless the mind is also guilty"....
 or guilty mind. As to crimes of which both actus reus and mens rea are requirements, judges have concluded that the elements must be present at precisely the same moment and it is not enough that they occurred sequentially at different times.

Actus reus
Actus reus is Latin
Latin

Latin is an Italic language, historically spoken in Latium and Ancient Rome. Through the Military history of the Roman Empire, Latin spread throughout the Mediterranean and a large part of Europe....
 for "guilty act" and is the physical element of committing a crime. It may be accomplished by an action, by threat of action, or exceptionally, by an omission
Omission (criminal)

In the criminal law, an omission, or failure to act, 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....
 to act. For example, the act of A striking B might suffice, or a parent's failure to give food to a young child also may provide the actus reus for a crime.

Where the actus reus is a failure to act, there must be a duty. A duty can arise through contract
Contract

A contract is an exchange of promises between two or more parties to do, or refrain from doing, an act which is enforceable in a court of law. It is a binding legal agreement....
, a voluntary undertaking, a blood relation with whom one lives, and occasionally through one's official position. Duty also can arise from one's own creation of a dangerous situation. Occasional sources of duties for bystanders to accidents in Europe and North America are good samaritan law
Good Samaritan law

Good Samaritan laws in the United States are laws or acts protecting from liability those who choose to aid others who are injured or ill. They are intended to reduce bystanders' hesitation to assist, for fear of being sued or prosecuted for unintentional injury or wrongful death claim....
s, which can criminalise failure to help someone in distress (e.g. a drowning child).

An actus reus may be nullified by an absence of causation
Causation (law)

Causation is the "causal relationship between conduct and result." That is to say that causation provides a means of connecting conduct, complete with actus reus, with the resulting harm or result element....
. For example, a crime involves harm to a person, the person's action must be the but for cause and proximate cause
Proximate cause

For English law, see Causation in English lawIn the law, a proximate cause is an event sufficiently related to a legally recognizable injury to be held the cause of that injury....
 of the harm. If more than one cause exists (e.g. harm comes at the hands of more than one culprit) the act must have "more than a slight or trifling link" to the harm.

Causation is not broken simply because a victim is particularly vulnerable. This is known as the thin skull rule. However, it may be broken by an intervening act (novus actus interveniens) of a third party, the victim's own conduct, or another unpredictable event. A mistake in medical
Medicine

Medicine is the art and science of healing. It encompasses a range of health care practices evolved to maintain and restore health by the prevention and treatment of illness....
 treatment typically will not sever the chain, unless the mistakes are in themselves "so potent in causing death." \

Mens rea
Robin Shoots With Sir Guy By Louis Rhead 1912
Mens rea is another Latin
Latin

Latin is an Italic language, historically spoken in Latium and Ancient Rome. Through the Military history of the Roman Empire, Latin spread throughout the Mediterranean and a large part of Europe....
 phrase, meaning "guilty mind." A guilty mind means an intention
Intention in English law

In English law criminal law, intention is one of the types of mens rea that, when accompanied by an actus reus , constitutes a crime....
 to commit some wrongful act. Intention under criminal law is separate from a person's motive
Motive (law)

In law, especially criminal law, a motive is the cause that moves people to induce a certain action. Motive in itself is seldom an Element of any given crime; however, the legal system typically allows motive to be proven in order to make plausible the accused's reasons for committing a crime, at least when those motives may be obscure or har...
. If Mr. Hood
Robin Hood

Robin Hood is an archetype figure in English folklore, whose story originates from Middle Ages times but who remains significant in popular culture where he is known for robbing the rich to give to the poor and fighting against injustice and tyranny....
 robs from rich Mr. Nottingham because his motive is to give the money to poor Mrs. Marion, his "good intentions" do not change his criminal intention to commit robbery
Robbery

Robbery is the crime of seizing property through violence or intimidation. At common law, robbery is defined as taking the property of another, with the intent to permanently deprive the person of that property, by means of force or fear....
.

A lower threshold of mens rea is satisfied when a defendant recognises an act is dangerous but decides to commit it anyway. This is recklessness
Recklessness (criminal)

In the criminal law, recklessness is one of the four possible classes of mental state constituting mens rea . To commit an offence of ordinary as opposed to strict liability, the prosecution must be able to prove both a mens rea and an actus reus, i.e., a person cannot be guilty for thoughts alone....
. For instance, if C tears a gas meter from a wall to get the money inside, and knows this will let flammable gas escape into a neighbour's house, he could be liable for poisoning. Courts often consider whether the actor did recognize the danger, or alternatively ought to
Is-ought problem

In meta-ethics, the is-ought problem was raised by David Hume , who noted that many writers make claims about what ought to be, on the basis of statements about what is....
 have recognised a risk. Of course, a requirement only that one ought to have recognized a danger (though he did not) is tantamount to erasing intent as a requirement. In this way, the importance of mens rea
Mens rea

In criminal law, mens rea the Latin term for "guilty mind" is usually one of the necessary Element of a crime. The standard common law test of criminal liability is usually expressed in the Latin phrase, actus non facit reum nisi mens sit rea, which means that "the act does not make a person guilty unless the mind is also guilty"....
 has been reduced in some areas of the criminal law.

Wrongfulness of intent also may vary the seriousness of an offense. A killing committed with specific intent to kill or with conscious recognition that death
Death

Death is the permanent termination of the biological functions that define a life organism. It refers to both a particular event and to the condition that results thereby....
 or serious bodily harm
Grievous bodily harm

Grievous bodily harm is a term of art used in English law criminal law which has become synonymous with the offences that are created by sections 18 and 20 of the Offences Against The Person Act 1861....
 will result, would be murder, whereas a killing effected by reckless acts lacking such a consciousness could be manslaughter. On the other hand, it matters not who is actually harmed through a defendant's actions. The doctrine of transferred malice
Transferred intent

Transferred intent is a doctrine used in both criminal law and tort law when the intention to harm one individual inadvertently causes a second person to be hurt instead....
 means, for instance, that if a man intends to strike a person with his belt, but the belt bounces off and hits another, mens rea is transferred from the intended target to the person who actually was struck.

Strict liability
Strict liability can be described as a "but for" cause of harm on part of the defendant. "But for" the action or product that caused the harm, nothing bad would have happened. Not all crimes require bad intent, and alternatively, the threshold of culpability required may be reduced. For example, it might be sufficient to show that a defendant acted negligently
Negligence

Negligence is a Law concept in the common law legal systems usually used to achieve compensation for injuries . Negligence is a type of tort or delict ....
, rather than intentionally
Intention (criminal)

In the criminal law, intention is one of the three general classes of mens rea necessary to constitute a conventional as opposed to strict liability crime....
 or recklessly
Recklessness (criminal)

In the criminal law, recklessness is one of the four possible classes of mental state constituting mens rea . To commit an offence of ordinary as opposed to strict liability, the prosecution must be able to prove both a mens rea and an actus reus, i.e., a person cannot be guilty for thoughts alone....
. In offenses of absolute liability
Absolute liability

'Absolute liability' is a standard of tort liability which stipulates that "where an enterprise is engaged in a hazardous or inherently dangerous activity and harm results to anyone on account of an accident in the operation of such hazardous or inherently dangerous activity resulting, for example, in escape of toxic gas the enterprise is str...
, other than the prohibited act, it may not be necessary to show anything at all, even if the defendant would not normally be perceived to be at fault. Most strict liability offenses are created by statute, such as crimes against the traffic or highway code.

Fatal offenses

A murder, defined broadly, is an unlawful killing. Unlawful killing is probably the act most frequently targeted by the criminal law. In many jurisdictions, the crime of murder is divided into various gradations of severity, e.g., murder in the first degree, based on intent. Malice
Malice

Malice may refer to:* Malice , a legal term describing the intent to harm* Malice or Jerry Tuite , American professional wrestler* Malice , half of the hip-hop duo Clipse...
 is a required element of murder. Manslaughter is a lesser variety of killing committed in the absence of malice, brought about by reasonable provocation
Provocation (legal)

In criminal law, provocation is a possible defense by excuse alleging a sudden or temporary loss of control as a response to another's provocative conduct sufficient to justify an acquittal, a mitigated Sentence or a conviction for a lesser charge....
, or diminished capacity
Diminished Capacity

Diminished Capacity is a comedy film directed by Terry Kinney and starring Matthew Broderick, Virginia Madsen, and Alan Alda. It was released at the 2008 Sundance Film Festival and opened in theaters in July 2008....
. Involuntary manslaughter, where it is recognized, is a killing that lacks all but the most attenuated guilty intent, recklessness.

Settled insanity
Settled insanity

Settled insanity is defined as a permanent or "settled" condition caused by long-term substance abuse and differs from the temporary state of intoxication....
 is a possible defense.

Personal offenses

Many criminal codes protect the physical integrity of the body. The crime of battery
Battery (crime)

Battery is a crime in England and Wales, Northern Ireland, the United States and other jurisdictions. There is an offence which could be described as battery in Russia....
 is traditionally understood as an unlawful touching, although this does not include everyday knocks and jolts to which people silently consent as the result of presence in a crowd. Creating a fear of imminent battery is an assault
Assault

Assault is a crime of violence against another human. In some jurisdictions, including Australia and New Zealand, assault refers to an act that causes another to apprehend immediate and personal violence, while in other jurisdictions, such as the United States, assault may refer only to the threat of violence caused by an immediate show of fo...
, and also may give rise to criminal liability. Non-consensual intercourse
Sexual intercourse

Sexual intercourse, also known as copulation or coitus, commonly refers to the act in which the Penis enters the Vagina. The two entities may be of opposite sexes or not, or they may be hermaphrodite, as is the case with snails....
, or rape
Rape

Rape, also referred to as sexual assault, is an assault by a person involving sexual intercourse with or sexual penetration of another person without that person's consent....
, is a particularly egregious form of battery

Property offenses

Property often is protected by the criminal law. Trespass
Trespass

Trespass is a legal concept, which refers to intrusion into another person's property. Trespass to land is a type of trespass, which can cause criminal or a tort liability....
ing is unlawful entry onto the real property of another. Many criminal codes provide penalties for conversion
Criminal conversion

Criminal conversion, in criminal law, is usually defined as the crime of exerting unauthorized use or control of someone else's property. It differs from theft in that it does not include the element of intending to deprive the owner of the possession of that property....
, embezzlement
Embezzlement

Embezzlement is the act of dishonestly appropriating or secreting assets, usually financial in nature, by one or more individuals to whom such assets have been entrusted....
, theft
Theft

In criminal law, theft is the illegal taking of another person's property without that person's freely-given consent. As a term, it is used as shorthand for all major crimes against property, encompassing offences such as burglary, embezzlement, larceny, looting, robbery, Mugging , trespassing, shoplifting, intruder, fraud and sometimes c...
, all of which involve deprivations of the value of the property. Robbery
Robbery

Robbery is the crime of seizing property through violence or intimidation. At common law, robbery is defined as taking the property of another, with the intent to permanently deprive the person of that property, by means of force or fear....
 is a theft by force.Fraud
Fraud

In the broadest sense, a fraud is a deception made for personal gain or to damage another individual. The specific legal definition varies by legal jurisdiction....
 in the UK is a breach of the Fraud Act 2006 by false representation, by failure to disclose information or by abuse of position.

Participatory offenses

Some criminal codes criminalize association with a criminal venture or involvement in criminality that does not actually come to fruition. Some examples are aiding, abetting, conspiracy
Conspiracy (crime)

In the criminal law, a conspiracy is an agreement between natural persons to break the law at some time in the future, and, in some cases, with at least one overt act in furtherance of that agreement....
, and attempt. However, in Scotland, the English concept of Aiding and Abetting is know as Art and Part Liability.

Defenses


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