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Fourth Amendment

Definition

The Fourth Amendment protects citizens from unreasonable searches and seizures without probable cause or warrant from authorities.

Analogy

The Fourth Amendment is like your home's front door. Just as someone needs your permission or a valid reason to enter your home, the government also needs a warrant or probable cause to search and seize your property.

Related terms

Probable Cause: A reasonable basis for believing that a crime may have been committed (for an arrest) or when evidence of the crime is present in the place to be searched (for a search).

Search Warrant: A legal document authorizing law enforcement officials to conduct a search of a person, location, or vehicle for evidence of a crime.

Exclusionary Rule: A law that prohibits the use of illegally obtained evidence in a criminal trial.

"Fourth Amendment" appears in:

Practice Questions (20+)

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AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.