Written by attorneys · grounded in primary & secondary sources — see below
A search conducted pursuant to the voluntary consent of a person with authority over the premises or effects searched. Voluntariness is assessed under the totality of the circumstances, and the government need not prove that the consenter knew of the right to refuse consent.
Sources & Authorities
How it applies
Common Examples
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Consent Covers Closed Containers
Victor Vargas agreed without limitation when officers asked to search his car for drugs. Officers opened a sealed sample case in the trunk and found illegal pills. The search remained within the scope of the consent because a reasonable officer could understand the broad agreement to reach containers where drugs might be hidden.
Totality Supports Voluntariness
Violet Vang was awakened at 2 a.m. in her dorm room and asked for permission to search her desk and laptop. She replied affirmatively and watched the search proceed. The consent was voluntary under all the circumstances even though officers never advised her of a right to refuse.
Select any source to read its text and confirm it supports the definition.
Cases
Dictionaries
Virgil Volpe lived with his roommate and gave officers permission to search their shared apartment. Officers found evidence in a jointly used closet. The consent was effective against the absent roommate because the consenter possessed common authority over the premises.
United States v. Matlock415 U.S. 164 (1974)
Disputed Consent by Co-Occupant
Veronica Varela refused officers entry to the marital home while her husband was present. Officers nevertheless searched after obtaining the husband's consent. The search was invalid because one co-occupant present and objecting can override the other's consent.
Georgia v. Randolph547 U.S. 103 (2006)
Anticipatory Warrant Context
Viktor Voronin consented to a search of his garage after officers explained they would return if a triggering condition occurred. The consent remained voluntary when the condition materialized and officers conducted the search. The agreement was effective because it was given freely under the totality of the circumstances.
United States v. Grubbs547 U.S. 90 (2006)
Consent During Ongoing Investigation
Vincent Valdez allowed officers to search his vehicle while they were investigating related offenses. He gave the consent without coercion and observed the search. The resulting evidence was admissible because the consent was voluntary even though officers were already pursuing other charges.
Maine v. Moulton474 U.S. 159 (1985)
Common questions
Frequently Asked
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Must officers advise a person of the right to refuse consent for the consent to be voluntary?+
No. Knowledge of the right to refuse is only one factor in the totality-of-the-circumstances analysis. The government need not prove that the person actually knew of the right to refuse.
Supporting sources
Does a general consent to search a car for drugs allow officers to open closed containers inside the car?+
Yes. The scope of consent is measured by objective reasonableness. When a person gives unqualified consent to search a vehicle for drugs, a reasonable officer may understand the consent to extend to closed containers where drugs could be concealed.
Supporting sources
Can one co-occupant consent to a search over the objection of another co-occupant who is present?+
No. When one co-occupant is present and objects, that objection overrides the consent of the other co-occupant and renders the search unreasonable as to the objecting party.
Supporting sources
Is written consent stronger evidence of voluntariness than oral consent?+
Yes. A signed written consent form provides objective evidence that the person understood the authorization being given and agreed freely, though it is not required for validity.
Supporting sources
547 U.S. 103 (2006)Criminal Procedure
…other occupant to remove is by no means insignificant"); cf. Schneckloth , 412 U. S., at 243 (evidence obtained pursuant to a consent search "may insure that a wholly innocent person is not wrongly charged with a criminal offense"). But society can often have the benefit of these interests without relying on a theory of consent…