Browse the Constitution Annotated
Fourth Amendment
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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.
- Amdt4.1 Fourth Amendment: Historical Background
- Amdt4.2 Scope of the Rights Protected by the Fourth Amendment
- Amdt4.2.1 Scope of the Rights Protected by the Fourth Amendment: Overview
- Amdt4.2.2 Scope of the Rights Protected by the Fourth Amendment: Doctrine and Practice
- Amdt4.2.2.1 Scope of the Rights Protected by the Fourth Amendment: Early Doctrine
- Amdt4.2.2.2 Katz and the Adoption of the Reasonable Expectation of Privacy Test
- Amdt4.2.2.3 Scope of the Rights Protected by the Fourth Amendment: Current Doctrine
- Amdt4.2.3 Scope of the Rights Protected by the Fourth Amendment: Select Topics for Consideration
- Amdt4.2.3.1 Open Fields Doctrine
- Amdt4.2.4 Unreasonable Seizures of Persons, Houses, Papers, and Effects
- Amdt4.2.4.1 Unreasonable Seizures of Persons, Houses, Papers, and Effects: Doctrine and Practice
- Amdt4.2.4.1.1 Seizure of Property
- Amdt4.2.4.1.2 Seizure of Persons
- Amdt4.2.4.1 Unreasonable Seizures of Persons, Houses, Papers, and Effects: Doctrine and Practice
- Amdt4.3 Probable Cause and the Warrant Requirement
- Amdt4.3.1 Probable Cause
- Amdt4.3.1.1 Probable Cause: Overview
- Amdt4.3.1.2 Probable Cause: Doctrine and Practice
- Amdt4.3.1.3 Probable Cause: Select Topics for Consideration
- Amdt4.3.1.3.1 Probable Cause in Non-Traditional Contexts
- Amdt4.3.2 The Need for a Warrant to Conduct a Search or Seizure
- Amdt4.3.2.1 The Need for a Warrant to Conduct a Search or Seizure: Overview
- Amdt4.3.2.2 The Need for a Warrant to Conduct a Search or Seizure: Doctrine and Practice
- Amdt4.3.2.2.1 Obtaining and Executing a Warrant
- Amdt4.3.2.2.1.1 Neutral and Detached Magistrate
- Amdt4.3.2.2.1.2 Probable Cause Requirement
- Amdt4.3.2.2.1.3 Particularity Requirement
- Amdt4.3.2.2.1.4 Knock and Announce Rule
- Amdt4.3.2.2.1.5 Other Considerations When Executing a Warrant
- Amdt4.3.2.2.1 Obtaining and Executing a Warrant
- Amdt4.3.1 Probable Cause
- Amdt4.4 Exceptions to the Warrant Requirement
- Amdt4.4.1 Exceptions to the Warrant Requirement: Overview
- Amdt4.4.2 Consent Searches
- Amdt4.4.3 Warrantless Searches Dependent on Probable Cause
- Amdt4.4.3.1 Search Incident to Arrest Doctrine
- Amdt4.4.3.2 Vehicle Searches
- Amdt4.4.3.2.1 Vehicle Searches: Overview
- Amdt4.4.3.2.2 Vehicle Searches: Select Topics for Consideration
- Amdt4.4.3.2.2.1 Searches of Containers Within a Vehicle
- Amdt4.4.3.3 Plain View Searches
- Amdt4.4.4 Warrantless Searches Not Dependent on Probable Cause
- Amdt4.4.4.1 Terry Stop and Frisks
- Amdt4.4.4.1.1 Terry Stop and Frisks: Doctrine and Practice
- Amdt4.4.4.1.2 Terry Stop and Frisks: Select Topics for Consideration
- Amdt4.4.4.1.2.1 Terry Stop and Frisks and Vehicles
- Amdt4.4.4.1 Terry Stop and Frisks
- Amdt4.4.5 Special Needs Doctrine
- Amdt4.4.5.1 Special Needs Doctrine: Select Topics for Consideration
- Amdt4.4.5.1.1 Border Searches
- Amdt4.4.5.1.2 Drug Testing
- Amdt4.4.5.1.3 National Security
- Amdt4.4.5.1.4 School Searches
- Amdt4.4.5.1.5 Searches of Prisoners, Parolees and Probationers
- Amdt4.4.5.1.6 Workplace Searches
- Amdt4.4.5.1 Special Needs Doctrine: Select Topics for Consideration
- Amdt4.5 Exclusionary Rule
- Amdt4.5.1 Exclusionary Rule: Overview
- Amdt4.5.2 Exclusionary Rule: Doctrine and Practice
- Amdt4.5.2.1 Adoption of a Federal Exclusionary Rule
- Amdt4.5.2.2 Standing and the Fourth Amendment
- Amdt4.5.2.3 Good Faith Exception