Traffic stops based on tips
Lorenzo Prado Navarette and Jose Prado Navarette v. California
In brief
The Supreme Court upheld the ruling that the stop was lawful under the Fourth Amendment.
- Where it stands
- Decided
Decided 5-4 · April 22, 2014 · Opinion by Justice Thomas
- What it’s about
- The Navarette brothers challenged a traffic stop after police received an anonymous 911 report that a truck had run another vehicle off the road.
- Who it affects
- The stop of the brothers’ truck complied with the Fourth Amendment because the officer had enough reason to suspect the driver was intoxicated.
Summary: written with AI from the case record.
What it's about
The Court ruled the stop complied with the Fourth Amendment because the circumstances gave the officer enough reason to suspect the truck’s driver was intoxicated, and agreed with the lower court (affirmed).
The dispute asked whether police had to independently confirm an anonymous 911 report of drunken or reckless driving before stopping the reported vehicle.
Question presented
Does the Fourth Amendment require an officer who received information regarding drunken or reckless driving to independently corroborate the behavior before stopping the vehicle?
What the Court decided
Holding
The traffic stop complied with the Fourth Amendment because, under the totality of the circumstances, the officer had reasonable suspicion that the truck’s driver was intoxicated. Affirmed.
- Result
- Affirmed
The Court's reasoning
The Court said that, considering all the circumstances, the officer had enough reason to suspect the truck’s driver was intoxicated. That made the stop lawful under the Fourth Amendment.
The vote
From the opinions
““So long as the caller identifies where the car is, anonymous claims of a single instance of possibly careless or reckless driving, called in to 911, will support a traffic stop.””
What's next
The Supreme Court has finished this case, and the lower court’s ruling remains in place.
Documents
Opinions
Docket activity
New analysis added
AI analysis generated: Case Briefing
AI analysis generated: Decision Record
Case data updated: summary, question_presented, generation_metadata
Case data updated: question_presented, extraction_metadata
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Opinion added: Navarette
Sources
Primary materials plus reporting. Best-effort analysis: this explainer relies on a mix of primary materials and trusted secondary sources. Official filings and opinions remain authoritative.