In jurisprudence, double jeopardy is a procedural defence that prevents an accused person from being tried again on the same charges following an acquittal or conviction and in rare cases prosecutorial and/or judge misconduct in the same jurisdiction. Double jeopardy is a common concept in criminal law – in civil law, a similar concept is that of res judicata. The double jeopardy protection in criminal prosecutions bars only an identical prosecution for the same offence except when the defendant is a servicemember as the courts have ruled that the military courts are a separate sovereign, therefore servicemembers can be held in two separate trials for the exact same charges; however, a different offence may be charged on identical evidence at a second trial. Res judicata protection is stronger – it precludes any causes of action or claims that arise from a previously litigated subject matter.
In criminal law, mens rea 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 before the defendant can be found guilty.
In a legal dispute, one party has the burden of proof to show that they are correct, while the other party has no such burden and is presumed to be correct. The burden of proof requires a party to produce evidence to establish the truth of facts needed to satisfy all the required legal elements of the dispute.
Civil procedure is the body of law that sets out the rules and regulations along with some standards that courts follow when adjudicating civil lawsuits. These rules govern how a lawsuit or case may be commenced; what kind of service of process is required; the types of pleadings or statements of case, motions or applications, and orders allowed in civil cases; the timing and manner of depositions and discovery or disclosure; the conduct of trials; the process for judgment; the process for post-trial procedures; various available remedies; and how the courts and clerks must function.
Larceny is a crime involving the unlawful taking or theft of the personal property of another person or business. It was an offence under the common law of England and became an offence in jurisdictions which incorporated the common law of England into their own law, where in many cases it remains in force.
Hearsay is testimony from a witness under oath who is reciting an out-of-court statement that is being offered to prove the truth of the matter asserted. The Federal Rules of Evidence prohibit introducing hearsay statements during applicable federal court proceedings, unless one of nearly thirty exemptions or exceptions applies. The Federal Rules of Evidence define hearsay as:
A statement that: (1) the declarant does not make while testifying at the current trial or hearing; and (2) a party offers in evidence to prove the truth of the matter asserted in the statement..
In common law jurisdictions, an acquittal means that the criminal prosecution has failed to prove that the accused is guilty beyond a reasonable doubt of the charge presented. It certifies that the accused is free from the charge of an offense, as far as criminal law is concerned. The finality of an acquittal is dependent on the jurisdiction. In some countries, such as the United States, an acquittal prohibits the retrial of the accused for the same offense, even if new evidence surfaces that further implicates the accused. The effect of an acquittal on criminal proceedings is the same whether it results from a jury verdict or results from the operation of some other rule that discharges the accused. In other countries, like Australia and the UK, the prosecuting authority may appeal an acquittal similar to how a defendant may appeal a conviction — but usually only if new and compelling evidence comes to light or the accused has interfered with or intimidated a juror or witness.
Circumstantial evidence is evidence that relies on an inference to connect it to a conclusion of fact—such as a fingerprint at the scene of a crime. By contrast, direct evidence supports the truth of an assertion directly—i.e., without need for any additional evidence or inference.
The presumption of innocence is a legal principle that every person accused of any crime is considered innocent until proven guilty. 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. If the prosecution does not prove the charges true, then the person is acquitted of the charges. The prosecution must in most cases prove that the accused is guilty beyond a reasonable doubt. If reasonable doubt remains, the accused must be acquitted. The opposite system is a presumption of guilt.
Lemuel Shaw was an American jurist who served as chief justice of the Massachusetts Supreme Judicial Court (1830–1860). Prior to his appointment he also served for several years in the Massachusetts House of Representatives and as a state senator. In 1847, Shaw became the father-in-law of author Herman Melville. He ruled on prominent cases involving slavery, segregation, and religion.
Character evidence is a term used in the law of evidence to describe any testimony or document submitted for the purpose of proving that a person acted in a particular way on a particular occasion based on the character or disposition of that person. In the United States, Federal Rule of Evidence 404 maps out its permissible and prohibited uses in trials. Three factors typically determine the admissibility of character evidence:
- the purpose for which the character evidence is being used
- the form in which the character evidence is offered
- the type of proceeding in which the character evidence is offered
It is possible to convict someone of murder without the purported victim's body in evidence. However, cases of this type have historically been hard to prove, often forcing the prosecution to rely on circumstantial evidence, and in England there was for centuries a mistaken view that in the absence of a body a killer could not be tried for murder. Developments in forensic science in recent decades have made it more likely that a murder conviction can be obtained even if a body has not been found.
In most common law jurisdictions, an element of a crime is one of a set of facts that must all be proven to convict a defendant of a crime. Before a court finds a defendant guilty of a criminal offense, the prosecution must present evidence that, even when opposed by any evidence the defense may choose, is credible and sufficient to prove beyond a reasonable doubt that the defendant committed each element of the particular crime charged. The component parts that make up any particular crime vary now depending on the crime.
In criminal law, a lesser included offense is a crime for which all of the elements necessary to impose liability are also elements found in a more serious crime. It is also used in non-criminal violations of law, such as certain classes of traffic offenses.
Scots criminal law relies far more heavily on common law than in England and Wales. Scottish criminal law includes offences against the person of murder, culpable homicide, rape and assault, offences against property such as theft and malicious mischief, and public order offences including mobbing and breach of the peace. Scottish criminal law can also be found in the statutes of the UK Parliament with some areas of criminal law, such as misuse of drugs and traffic offences appearing identical on both sides of the Border. Scottish criminal law can also be found in the statute books of the Scottish Parliament such as the Sexual Offences (Scotland) Act 2009 and Prostitution (Scotland) Act 2007 which only apply to Scotland. In fact, the Scots requirement of corroboration in criminal matters changes the practical prosecution of crimes derived from the same enactment. Corroboration is not required in England or in civil cases in Scotland. Scots law is one of the few legal systems that require corroboration.
In India according to Section 300 of the Indian Penal Code, 1860, murder is defined as follows:
Murder.--Except in the cases hereinafter excepted, culpable homicide is murder, if the act by which the death is caused is done with the intention of causing death, or- 167 2ndly.-If it is done with the intention of causing such bodily injury as the offender knows to be likely to cause the death of the person to whom the harm is caused. or- 3rdly.-If it is done with the intention of causing bodily injury to any person and the bodily injury intended to be inflicted is sufficient in the ordinary course of nature to cause death, or- 4thly.-If the person committing the act knows that it is so imminently dangerous that it must, in all probability, cause death, or such bodily injury as is likely to cause death, and commits such act without any excuse for incurring the risk of causing death or such injury as aforesaid.
The criminal law of the United States is a manifold system of laws and practices that connects crimes and consequences. In comparison, civil law addresses non-criminal disputes. The system varies considerably by jurisdiction, but conforms to the US Constitution. Generally there are two systems of criminal law to which a person maybe subject; the most frequent is state criminal law, and the other is federal law.
The importance of corroboration is unique to Scots criminal law. A long-standing feature of Scots law, the requirement for corroborating evidence means at least two independent sources of evidence are required in support of each crucial fact before an accused can be convicted of a crime. This means, for example, that an admission of guilt by the accused is insufficient evidence to convict in Scotland, because that evidence needs to be corroborated by another source.
English law contains homicide offences – those acts involving the death of another person. For a crime to be considered homicide, it must take place after the victim's legally recognised birth, and before their legal death. There is also the usually uncontroversial requirement that the victim be under the "King's peace". The death must be causally linked to the actions of the defendant. Since the abolition of the year and a day rule, there is no maximum time period between any act being committed and the victim's death, so long as the former caused the latter.
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.
