The physical act or unlawful omission that constitutes a criminal offense, as distinguished from the requisite mental state.
The formal process by which a legal dispute is resolved through judicial determination.
A defense in which the defendant bears the burden of proving a fact that negates or mitigates liability, even if the prosecution’s claims are true.
A defense asserting that the accused was at a different location at the time of the alleged crime, rendering commission of the offense impossible.
The legal authority of a higher court to review and revise the decision of a lower court for legal errors.
Courts established under Article III of the U.S. Constitution, including the Supreme Court and other federal courts vested with judicial power.
An intentional act creating a reasonable apprehension of imminent harmful or offensive contact.
The unlawful and intentional application of force to another person, resulting in harmful or offensive contact.
The first ten amendments to the U.S. Constitution, providing fundamental rights and protections against governmental overreach.
The obligation of a party to convince the trier of fact of the truth of an asserted claim or defense.
The duty to introduce sufficient evidence on an issue to avoid dismissal or an adverse ruling.
The unlawful entry into a building or structure with intent to commit a crime, typically theft or another felony.
A legal principle allowing individuals to use force, including deadly force, to defend their home against unlawful intruders without a duty to retreat.
A necessary element in criminal and tort law that establishes a direct link between the defendant’s actions and the resulting harm.
One of the earliest known legal codes, enacted in ancient Babylon, establishing laws and corresponding punishments.
A legal system based on judicial precedent and case law rather than statutory enactments.
The legal requirement that the criminal act (actus reus) and mental state (mens rea) must occur simultaneously to establish criminal liability.
Scholars who argue that laws reflect the interests of powerful social groups rather than a general societal consensus.
Scholars who believe that laws arise from a general agreement among members of society about moral and social norms.
A voluntary and legally valid agreement to engage in a specific act or transaction.
An agreement between two or more individuals to commit a criminal act, accompanied by an overt act in furtherance of the plan.
The foundational legal document establishing the framework of government and the fundamental rights of individuals within a jurisdiction.
A legal doctrine that bars or reduces recovery in a tort action when the plaintiff's own negligence contributed to their harm.
The principle requiring proof that a crime has occurred before an individual can be convicted of committing it.
The legislation that created the U.S. Courts of Appeals, establishing an intermediate appellate system between district courts and the Supreme Court.
A perspective in criminal justice that emphasizes the suppression of crime through swift and efficient law enforcement procedures.
A broad offense that criminalizes behavior that disrupts public order, such as fighting, unreasonable noise, or obscene gestures.
A basis for federal court jurisdiction when parties to a lawsuit are from different states or countries and the amount in controversy exceeds a statutory threshold.
The constitutional protection under the Fifth Amendment that prohibits an individual from being prosecuted twice for the same offense.
A legal principle allowing different levels of government (state and federal) to prosecute an individual for the same act without violating double jeopardy.
A constitutional guarantee ensuring fair treatment under the law through proper legal procedures.
A perspective in criminal justice prioritizing individual rights and formal legal procedures over efficiency in crime suppression.
A legal test for insanity that absolves a defendant of criminal liability if their unlawful act was the product of mental illness.
Laws that retroactively criminalize actions that were legal at the time they were committed, prohibited by the U.S. Constitution.
A legal defense in which the defendant admits to committing a crime but argues they should not be held liable due to extenuating circumstances, such as insanity or duress.
A legal doctrine that holds individuals criminally liable for murder if a death occurs during the commission of a felony, regardless of intent.
Basic constitutional protections, such as free speech, due process, and equal protection, that are considered essential to a free society.
The authority of a court to hear and decide cases on a wide range of legal matters.
The authority of a court to hear cases arising within a specific geographic area.
A landmark Supreme Court case that established the right to court-appointed counsel for indigent defendants in felony cases.
A panel of citizens that determines whether sufficient evidence exists to indict a suspect and proceed to trial.
A legal writ requiring a person’s imprisonment or detention to be justified before a court.
The injury or damage that results from a criminal or tortious act.
The authority of a court based on its level in the judicial system, such as trial courts, appellate courts, and supreme courts.
The killing of one person by another, which may be lawful or unlawful depending on the circumstances.
The legal doctrine by which provisions of the Bill of Rights are applied to state governments through the Fourteenth Amendment.
A formal accusation issued by a grand jury charging an individual with a criminal offense.
A formal criminal charge filed by a prosecutor without a grand jury indictment.
A legal defense asserting that the defendant lacked the mental capacity to understand the wrongfulness of their actions at the time of the offense.
The legal process by which an individual is confined to a psychiatric institution against their will due to a mental health condition that poses a risk to themselves or others.
A legal test used to determine criminal responsibility, focusing on whether the defendant was unable to control their actions due to a mental illness, even if they knew the act was wrong.
The power of courts to examine the constitutionality of legislative and executive actions, established in Marbury v. Madison (1803).
A statute that established the structure and jurisdiction of the federal judiciary, including the creation of lower federal courts.
The legal authority of a court to hear and decide cases, typically determined by geographic area, subject matter, or the parties involved.
A legal defense in which the defendant admits to committing the act but argues it was necessary to prevent a greater harm, such as self-defense or necessity.
The unlawful taking and carrying away of someone else’s property with the intent to permanently deprive them of it.
A system of rules established and enforced by governmental institutions to regulate behavior and ensure justice.
The process of enacting laws or statutes by a governing body, such as a legislature or parliament.
The authority of a court to hear only certain types of cases, such as small claims or traffic violations, as defined by law.
Judicial officers who assist district judges in federal courts by handling preliminary matters, such as pretrial motions, hearings, and bail.
Crimes that are considered inherently wrong, such as murder or rape, and are universally recognized as offenses against moral standards.
Crimes that are not inherently immoral but are prohibited by law, such as traffic violations or regulatory offenses.
The mental state required for a charge of first-degree murder, indicating that the defendant acted with deliberate intent to kill or cause serious harm.
The unlawful killing of another person without malice aforethought, typically classified as voluntary or involuntary based on the circumstances.
A landmark Supreme Court case that established the principle of judicial review, empowering the judiciary to invalidate unconstitutional laws.
The mental state or intent of the defendant at the time of committing a criminal act, necessary to establish criminal liability.
The legal requirement that law enforcement inform a suspect of their rights to remain silent and to have an attorney during custodial interrogation, established in Miranda v. Arizona (1966).
A comprehensive set of criminal law guidelines drafted by the American Law Institute to standardize and clarify criminal law principles across jurisdictions.
The reason or incentive behind a defendant’s actions, though not required to establish criminal liability, can be relevant in understanding the crime.
The unlawful, premeditated killing of another person with malice aforethought, typically classified as first-degree, second-degree, or felony murder based on the intent and circumstances.
The failure to exercise the standard of care that a reasonable person would in similar circumstances, resulting in harm or injury to another person.
A legal process allowing for divorce without the need to prove fault, such as adultery or abuse, simply requiring a breakdown in the marriage.
A legal principle allowing individuals to seek remedy for disturbances to their property or enjoyment of life, caused by another’s unreasonable use of land or property.
The degree of caution and concern an average person would exercise in a given situation to prevent harm to others.
The authority of a court to hear a case for the first time, rather than on appeal.
A constitutional principle stating that laws are unconstitutional if they prohibit a broad range of protected conduct, going beyond what is necessary to achieve their objective.
The process by which legislative bodies or other governmental entities supervise and review the activities and decisions of executive and judicial branches.
The implied rights that are not explicitly stated in the Constitution but are inferred from other rights, such as the right to privacy inferred from the First, Third, Fourth, and Ninth Amendments.
The authority of a court to hear a case involving a particular defendant, based on the defendant’s connections to the forum state.
The party initiating a civil lawsuit, seeking relief or damages for harm caused by the defendant.
A legal principle established in a previous case that serves as a guide for judges in deciding subsequent cases involving similar facts or legal issues.
A fundamental principle of criminal law that ensures a defendant is considered innocent until proven guilty beyond a reasonable doubt.
A reasonable belief, based on facts or evidence, that a crime has been committed or that evidence of a crime will be found in a particular place, justifying a search or arrest.
A legal test used to determine whether a defendant’s conduct was the proximate cause of a particular harm or injury.
The standard of evidence required to convict a defendant in a criminal trial, meaning there is no reasonable doubt that the defendant committed the offense.
The standard of proof in civil cases, where the plaintiff must show that their claims are more likely true than not.
The primary cause in a chain of events leading to harm, establishing a direct link between the defendant’s actions and the injury suffered by the victim.
Damages awarded in a civil case, beyond compensatory damages, intended to punish the defendant for particularly egregious conduct and to deter others from similar actions.
The unlawful and non-consensual sexual intercourse or other sexual penetration, typically involving force or the threat of force.
A legal rule requiring a person to retreat, if safely possible, before using deadly force in self-defense, unless they are in their own home
The legal right of a party to challenge a lower court’s decision in a higher court, seeking a review and possible reversal of the decision.
The constitutional right of an accused individual in a criminal case to have legal representation, either hired or appointed, under the Sixth Amendment.
A Supreme Court practice that requires at least four justices to vote in favor of hearing a case for it to be granted certiorari.
The principle that all individuals and government entities are subject to and accountable under the law, ensuring fairness, justice, and equality.
A justification defense permitting the use of force, including deadly force, to protect oneself from imminent harm or threat, with the force used being proportionate to the threat.
The act of urging, requesting, or commanding another person to commit a criminal act, with the intent that the crime be carried out.
The legal doctrine that prevents a sovereign government or its officials from being sued without its consent, unless it waives that immunity.
The doctrine that courts should follow precedents established in previous rulings to ensure consistency and stability in the law.
A legal doctrine in which a defendant can be held liable for committing a particular act, regardless of intent or mental state, especially in cases involving public safety or regulatory offenses.
The highest standard of judicial review applied to laws or policies that discriminate based on race, ethnicity, or fundamental rights, requiring a compelling government interest and narrow tailoring.
The authority of a court to hear and decide cases based on the type of case or legal issues involved.
The constitutional principle that protects certain fundamental rights from government interference, even if the procedures followed are fair.
The body of law that defines the rights and duties of individuals and governs how legal disputes are resolved, as opposed to procedural law.
A legal term referring to certain categories or classes of people, such as race or national origin, that are subject to heightened scrutiny under the Equal Protection Clause of the Fourteenth Amendment.
The area of law dealing with civil wrongs and injuries, allowing victims to seek compensation for harm caused by others' negligence or intentional acts.
A legal doctrine under which a defendant's intent to harm one individual can be transferred to another person who is harmed by the defendant’s actions.
A new trial conducted in a higher court when the original trial's decision is appealed or when a lower court’s ruling is challenged.
A gathering of people with the intent to engage in unlawful activities or to cause a disturbance, which can be dispersed by law enforcement.
The geographical location or court district where a case is heard, determined by factors such as where the crime occurred or where the parties reside.
A constitutional doctrine under which a law is struck down because it is unclear or lacks sufficient detail, making it impossible for individuals to understand what conduct is prohibited.
A Supreme Court order directing a lower court to send the record of a case for review, granted only in cases of significant legal importance or issues of national interest.
A legal order demanding that a person who is detained be brought before a court to determine if their detention is lawful.