United States Constitution - Amendments: Article IV.

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.

The full text of U.S. Constitution's " Bill of Rights" can be read on the Web server of Cornell's Legal Information Institute.