What legal principle states that evidence obtained in violation of a person's rights is inadmissible in court?

The legal principle that states evidence obtained in violation of a person's rights is inadmissible in court is known as the exclusionary rule. This rule is rooted in the Fourth Amendment of the U.S. Constitution, which protects individuals from unreasonable searches and seizures. The exclusionary rule serves as a deterrent against law enforcement violating constitutional rights by ensuring that any evidence gained through illegal means cannot be used in a judicial proceeding.

The principle operates on the premise that allowing such evidence in court undermines the integrity of the judicial system and the protections afforded by constitutional law. It is crucial for maintaining the accountability of law enforcement officers and safeguarding individual rights within the judicial process.

While other options presented relate to the legal context of evidence and individual rights, they encapsulate more specific facets. The "fruits of the poisonous tree" is a doctrine that extends the exclusionary rule to include not just direct evidence obtained illegally, but also any secondary evidence derived from the initial illegal evidence. The "Miranda warning" pertains to the rights read to individuals upon arrest, ensuring they are aware of their rights against self-incrimination. "Probable cause" refers to the legal standard required for law enforcement to make an arrest or conduct a search. Each of these concepts is important