Presumption of innocence
|Criminal trials and convictions|
|Rights of the accused|
|Related areas of law|
The presumption of innocence is the legal principle that one is considered innocent unless proven guilty. It was traditionally expressed by the Latin maxim ei incumbit probatio qui dicit, non qui negat (“the burden of proof is on the one who declares, not on one who denies”).
In many states, presumption of innocence is a legal right of the accused in a criminal trial, and it is an international human right under the UN's Universal Declaration of Human Rights, Article 11. Under the presumption of innocence, the legal burden of proof is thus on the prosecution, which must present compelling evidence to the trier of fact (a judge or a jury). The prosecution must in most cases prove that the accused is guilty beyond reasonable doubt. If reasonable doubt remains, the accused must be acquitted.
Under the Justinian Codes and English common law, in criminal proceedings the accused is presumed innocent unless the prosecution presents a high level of evidence as described above. In civil proceedings (like breach of contract) the defendant is initially presumed correct unless the plaintiff presents a moderate level of evidence and thus switches the burden of proof to the defendant.
The sixth-century Digest of Justinian (22.3.2) provides, as a general rule of evidence: Ei incumbit probatio qui dicit, non qui negat—"Proof lies on him who asserts, not on him who denies". It is there attributed to the second and third century jurist Paul. It was introduced in Roman criminal law by emperor Antoninus Pius.
Similar to that of Roman law, Islamic law also holds the principle that the onus of proof is on the accuser or claimant based on a hadith documented by Imam Nawawi. "Suspicion" is also highly condemned, this also from a hadith documented by Imam Nawawi as well as Imam Bukhari and Imam Muslim.
Middle Ages in Europe
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After the collapse of the Western Roman Empire, the West began to practice feudal law, which was a synthesis of aspects of Roman law as well as some Germanic customs according to the new elite, including presumed guilt. For instance, the accused could prove his innocence by having twelve people swear that he could not have done what he was accused of. In practice, this tended to favor the nobility over the lower classes, whose witnesses risked being seen as less credible. After the rediscovery of Roman law in the 12th century and the development of the jus commune, the canon law of the Catholic Church influenced the common law during the medieval period through its preservation of Roman law doctrine of the presumption of innocence.
Following the aforementioned Roman law of Justinian, who lived at the dawn of the medieval era, the Eastern Roman Empire generally continued along his legal code which includes presumption of innocence. This also influenced nearby states within its cultural sphere, such as Orthodox, Slavic principalities like Serbia.
"Presumption of innocence" serves to emphasize that the prosecution has the obligation to prove each element of the offense beyond a reasonable doubt (or some other level of proof depending on the criminal justice system) and that the accused bears no burden of proof. This is often expressed in the phrase "innocent until proven guilty", coined by the British barrister Sir William Garrow (1760–1840) during a 1791 trial at the Old Bailey. Garrow insisted that accusers be robustly tested in court. An objective observer in the position of the juror must reasonably conclude that the defendant almost certainly committed the crime. In 1935, in its judgment of Woolmington v Director of Public Prosecutions, the English Court of Appeal would later describe Garrow's articulation as being the 'golden thread' connecting both the criminal burden of proof and the presumption of innocence within the web of English criminal law.
The presumption of innocence was originally expressed by the French cardinal and canonical jurist Jean Lemoine in the phrase "item quilbet presumitur innocens nisi probetur nocens (a person is presumed innocent until proven guilty)", based on the legal inference that most people are not criminals. However, this referred not merely to the fact that the burden of proof rests on the prosecution in a criminal case, but the protections which a defendant should be given: prior notice of the accusation being made against them, the right of confrontation, right to counsel, etc. It is literally considered favorable evidence for the accused that automatically attaches at trial. It requires that the trier of fact, be it a juror or judge, begin with the presumption that the state is unable to support its assertion. To ensure this legal protection is maintained, a set of three related rules govern the procedure of criminal trials. The presumption means:
- With respect to the critical facts of the case—whether the crime charged was committed and whether the defendant was the person who committed the crime—the state has the entire burden of proof.
- With respect to the critical facts of the case, the defendant does not have any burden of proof whatsoever. The defendant does not have to testify, call witnesses or present any other evidence, and if the defendant elects not to testify or present evidence, this decision cannot be used against them.
- The jury or judge is not to draw any negative inferences from the fact the defendant has been charged with a crime and is present in court and represented by an attorney. They must decide the case solely on evidence presented during the trial.
It is better that ten guilty persons escape than that one innocent suffer.
The idea subsequently became a staple of legal thinking in Anglo-Saxon jurisdictions and continues to be a topic of debate.
Throughout the web of the English criminal law one golden thread is always to be seen—that it is the duty of the prosecution to prove the prisoner's guilt subject to what I have already said as to the defence of insanity and subject also to any statutory exception...
The fundamental right
- The Universal Declaration of Human Rights, article 11, states: "Everyone charged with a penal offence has the right to be presumed innocent until proved guilty according to law in a public trial at which he has had all the guarantees necessary for his defense.".
- The Convention for the Protection of Human Rights and Fundamental Freedoms of the Council of Europe says (art. 6.2): "Everyone charged with a criminal offence shall be presumed innocent until proved guilty according to law". This convention has been adopted by treaty and is binding on all Council of Europe members. Currently (and in any foreseeable expansion of the EU) every country member of the European Union is also member to the Council of Europe, so this stands for EU members as a matter of course. Nevertheless, this assertion is iterated verbatim in Article 48 of the Charter of Fundamental Rights of the European Union.
- In Canada, section 11(d) of the Canadian Charter of Rights and Freedoms states: "Any person charged with an offence has the right to be presumed innocent until proven guilty according to law in a fair and public hearing by an independent and impartial tribunal".
- In the Colombian constitution, Title II, Chapter 1, Article 29 states that "Every person is presumed innocent until proven guilty according to the law".
- In France, article 9 of the Declaration of the Rights of Man and of the Citizen 1789, which has force as constitutional law, begins: "Any man being presumed innocent until he has been declared guilty ...". The Code of Criminal Procedure states in its preliminary article that "any person suspected or prosecuted is presumed innocent for as long as their guilt has not been established" and the jurors' oath repeats this assertion (article 304). However, there exists a popular misconception that under French law, the accused is presumed guilty until proven innocent.
- In Iran, Article 37 of the Constitution of the Islamic Republic of Iran states: "Innocence is to be presumed, and no one is to be held guilty of a charge unless his or her guilt has been established by a competent court".
- In Italy, the second paragraph of Article 27 of the Constitution states: "A defendant shall be considered not guilty until a final sentence has been passed."
- In Romania, article 23 of the Constitution states that "any person shall be presumed innocent until found guilty by a final decision of the court."
- The Constitution of Russia, in article 49, states that "Everyone charged with a crime shall be considered not guilty until his or her guilt has been proven in conformity with the federal law and has been established by the valid sentence of a court of law". It also states that "The defendant shall not be obliged to prove his or her innocence" and "Any reasonable doubt shall be interpreted in favor of the defendant".
- In the South African Constitution, section 35(3)(h) of the Bill of Rights states: "Every accused person has a right to a fair trial, which includes the right to be presumed innocent, to remain silent, and not to testify during the proceedings."
- Although the Constitution of the United States does not cite it explicitly, presumption of innocence is widely held to follow from the Fifth, Sixth, and Fourteenth Amendments. The case of Coffin v. United States (1895) established the presumption of innocence of persons accused of crimes. See also In re Winship.
- In New Zealand, the New Zealand Bill of Rights 1990 provides inter alia at section 25 (c) "Everyone who is charged with an offence has, in relation to the determination of the charge, the following minimum rights: (c) the right to be presumed innocent until proved guilty according to law"
In the United Kingdom changes have been made affecting this principle. Defendants' previous convictions may in certain circumstances be revealed to juries. Although the suspect is not compelled to answer questions after formal arrest, failure to give information may now be prejudicial at trial. Statute law also exists which provides for criminal penalties for failing to decrypt data on request from the police. If the suspect is unwilling to do so, it is an offence. Citizens can therefore be convicted and imprisoned without any evidence that the encrypted material was unlawful. Furthermore, in sexual offence cases such as rape, where the sexual act has already been proved beyond reasonable doubt, there are a limited number of circumstances where the defendant has an obligation to adduce evidence that the complainant consented to the sexual act, or that the defendant reasonably believed that the complainant was consenting. These circumstances include, for example, where the complainant was unconscious, unlawfully detained, or subjected to violence.
In Canadian law, the presumption of innocence has been reinforced in certain instances. The Criminal Code of Canada previously contained numerous provisions according to which defences to certain offences were subject to a reverse onus: that is, if an accused wishes to make that defence, they had to prove the facts of the defence to a balance of probabilities, rather than the Crown having to disprove the defence beyond a reasonable doubt. This meant that an accused in some corcumstances might be convicted even if a reasonable doubt existed about their guilt. In several cases, various reverse onus provisions were found to violate the presumption of innocence provision of the Charter of Rights and Freedoms. They were replaced with procedures in which the accused merely had to demonstrate an "air of reality" to the proposed defence, following which the burden shifted to the Crown to disprove the defence.
Bill C-51, An Act to amend the Criminal Code and the Department of Justice Act and to make consequential amendments to another Act, received Royal Assent in December 2018. Among other things, it eliminated several reverse onus provisions from the Criminal Code, some of which had previously been found unconstitutional, and others pre-emptively in order to avoid further Charter challenges.
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«In one of his elaborate orations in the United States Senate Mr. Charles Sumner spoke of “the generous presumption of the common law in favor of the innocence of an accused person;” yet it must be admitted that such a presumption cannot be found in Anglo-Saxon law, where sometimes the presumption seems to have been the other way. And in a very recent case in the Supreme Court of the United States, the case of Coffin, 156 U. S. 432, it is pointed out that this presumption was fully established in the Roman law, and was preserved in the canon law.»
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