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Quasi-Legal Institute

Free civic education for students

Understand your constitutional rights.

Read the amendments, learn how courts interpret them, and work through examples from public schools and encounters with police.

Published by Quasi-Legal Institute, a nonprofit based in Madison, Wisconsin.

Read the text: searches and warrants

Select a highlighted phrase in the Fourth Amendment to read its explanation.

U.S. Const. amend. IVSelect a highlighted phrase
The right of the people to be secure in their persons, houses, papers, and effects, against unreasonable searches and seizures, shall not be violated, and no Warrants shall issue, but upon probable cause, supported by Oath or affirmation, and particularly describing the place to be searched, and the persons or things to be seized.

In plain language

What is protected

Your body, your home, your documents, and your belongings. Courts have applied “papers and effects” to modern things too: in Riley v. California (2014), the Supreme Court held that police generally need a warrant to search the data on a cell phone.

Read the full Fourth Amendment lesson