United States v. Augustine Perez

Standard of Review

The Fourth Circuit reviews the denial of a motion to suppress de novo. This standard applies because the denial of a motion to suppress involves a question of law, which appellate courts review independently of the district court's findings.

Procedural Posture

The defendant, Augustine Perez, was convicted of drug and firearm offenses. He appealed his conviction, arguing that the district court erred in denying his motion to suppress evidence obtained during a traffic stop. The Fourth Circuit reviewed the district court's decision on the motion to suppress.

Burden of Proof

The burden of proof is on the government to demonstrate that the search was lawful. The standard is preponderance of the evidence.

Legal Tests Applied

Statutory References

Constitutional Issues

Fourth Amendment - protection against unreasonable searches and seizures

Key Legal Definitions

Rule Statements

An officer may conduct a traffic stop if he has a reasonable suspicion that the driver has violated a traffic law.

The Fourth Amendment's protection against unreasonable searches and seizures is not violated when an officer stops a vehicle based on reasonable suspicion, even if the officer also has an ulterior motive for the stop.

Remedies

Affirmation of the district court's denial of the motion to suppress.Affirmation of the conviction.

Parties

• United States Court of Appeals for the Fourth Circuit (party)

Q: What is United States v. Augustine Perez about?

United States v. Augustine Perez is a case decided by Fourth Circuit on February 23, 2026.

Q: What court decided United States v. Augustine Perez?

United States v. Augustine Perez was decided by the Fourth Circuit, which is part of the federal judiciary. This is a federal appellate court.

Q: When was United States v. Augustine Perez decided?

United States v. Augustine Perez was decided on February 23, 2026.

Q: What is the citation for United States v. Augustine Perez?

The citation for United States v. Augustine Perez is . Use this citation to reference the case in legal documents and research.

Q: What is the case United States v. Augustine Perez about?

United States v. Augustine Perez is a Fourth Circuit case concerning the legality of a traffic stop and subsequent search of a vehicle. The court affirmed the district court's decision to deny a motion to suppress evidence, finding that law enforcement had reasonable suspicion for the stop and that the search was permissible under the automobile exception.

Q: Who were the parties involved in United States v. Augustine Perez?

The parties involved were the United States, as the appellant seeking to uphold the district court's ruling, and Augustine Perez, the appellee who had his motion to suppress evidence denied by the district court.

Q: Which court decided United States v. Augustine Perez, and when?

The Fourth Circuit Court of Appeals decided United States v. Augustine Perez. The specific date of the decision is not provided in the summary, but it is a published opinion from that court.

Q: What was the initial reason for the stop in United States v. Augustine Perez?

The initial reason for the stop of Augustine Perez's vehicle was based on reasonable suspicion derived from information provided by a confidential informant. This information led law enforcement to believe criminal activity was afoot.

Q: What was the nature of the dispute in United States v. Augustine Perez?

The core dispute revolved around whether the evidence seized from Augustine Perez's vehicle should have been suppressed. Perez argued the stop and search were unconstitutional, while the government contended they were lawful.

Q: Is United States v. Augustine Perez published?

United States v. Augustine Perez is a published, precedential opinion. Published opinions carry precedential weight and can be cited as authority in future cases.

Q: What was the ruling in United States v. Augustine Perez?

The court ruled in favor of the defendant in United States v. Augustine Perez. Key holdings: The court held that the anonymous informant's tip provided sufficient indicia of reliability to establish reasonable suspicion for the traffic stop, as the informant provided specific details about the drug transaction and the vehicle's location and description, which were corroborated by the officer's observations.; The court held that the automobile exception to the warrant requirement justified the warrantless search of the vehicle, as the officer had probable cause to believe the vehicle contained contraband based on the informant's tip and the suspect's furtive movements.; The court held that the suspect's furtive movements, including reaching under the seat, provided additional probable cause to believe evidence of a crime was present, further supporting the search.; The court held that the scope of the search was reasonable, extending to any part of the vehicle where contraband might be concealed, including the passenger compartment and any containers within it..

Q: Why is United States v. Augustine Perez important?

United States v. Augustine Perez has an impact score of 45/100, indicating moderate legal relevance. This decision reinforces the broad application of the automobile exception and the weight given to corroborated informant tips in establishing reasonable suspicion and probable cause. It signals that law enforcement can rely on detailed information from informants, even if anonymous, provided there is sufficient corroboration, to justify traffic stops and subsequent vehicle searches.

Q: What precedent does United States v. Augustine Perez set?

United States v. Augustine Perez established the following key holdings: (1) The court held that the anonymous informant's tip provided sufficient indicia of reliability to establish reasonable suspicion for the traffic stop, as the informant provided specific details about the drug transaction and the vehicle's location and description, which were corroborated by the officer's observations. (2) The court held that the automobile exception to the warrant requirement justified the warrantless search of the vehicle, as the officer had probable cause to believe the vehicle contained contraband based on the informant's tip and the suspect's furtive movements. (3) The court held that the suspect's furtive movements, including reaching under the seat, provided additional probable cause to believe evidence of a crime was present, further supporting the search. (4) The court held that the scope of the search was reasonable, extending to any part of the vehicle where contraband might be concealed, including the passenger compartment and any containers within it.

Q: What are the key holdings in United States v. Augustine Perez?

1. The court held that the anonymous informant's tip provided sufficient indicia of reliability to establish reasonable suspicion for the traffic stop, as the informant provided specific details about the drug transaction and the vehicle's location and description, which were corroborated by the officer's observations. 2. The court held that the automobile exception to the warrant requirement justified the warrantless search of the vehicle, as the officer had probable cause to believe the vehicle contained contraband based on the informant's tip and the suspect's furtive movements. 3. The court held that the suspect's furtive movements, including reaching under the seat, provided additional probable cause to believe evidence of a crime was present, further supporting the search. 4. The court held that the scope of the search was reasonable, extending to any part of the vehicle where contraband might be concealed, including the passenger compartment and any containers within it.

Q: What cases are related to United States v. Augustine Perez?

Precedent cases cited or related to United States v. Augustine Perez: Illinois v. Gates, 462 U.S. 213 (1983); Terry v. Ohio, 392 U.S. 1 (1968); United States v. Sokolow, 490 U.S. 1 (1989); California v. Acevedo, 500 U.S. 565 (1991).

Q: What legal standard did the Fourth Circuit apply to the stop of Perez's vehicle?

The Fourth Circuit applied the standard of reasonable suspicion to evaluate the legality of the stop. This standard requires that an officer have a specific and articulable basis for suspecting criminal activity, based on the totality of the circumstances.

Q: What is the 'automobile exception' mentioned in the case?

The automobile exception to the warrant requirement allows law enforcement to search a vehicle without a warrant if they have probable cause to believe the vehicle contains evidence of a crime. This exception is based on the inherent mobility of vehicles and the reduced expectation of privacy in them.

Q: How did the court justify the search of Perez's vehicle?

The court justified the search of Perez's vehicle under the automobile exception. This means the court found that law enforcement had probable cause to believe the vehicle contained contraband or evidence of a crime, permitting the warrantless search.

Q: What was the role of the confidential informant in this case?

The confidential informant provided information that formed the basis for the reasonable suspicion to stop Augustine Perez's vehicle. The reliability and specificity of the informant's tip are crucial factors in establishing reasonable suspicion.

Q: What does it mean for the district court's denial of the motion to suppress to be 'affirmed'?

When the Fourth Circuit affirmed the district court's denial, it means the appellate court agreed with the lower court's decision. Therefore, the evidence seized from Perez's vehicle was deemed admissible, and his motion to exclude it was correctly rejected.

Q: What is the 'totality of the circumstances' test in relation to reasonable suspicion?

The 'totality of the circumstances' test requires courts to consider all the facts and circumstances known to the officer at the time of the stop, not just isolated factors. This holistic approach is used to determine if reasonable suspicion existed, including the informant's tip and any corroboration.

Q: What is the burden of proof when challenging a search and seizure?

Generally, the burden of proof is on the defendant to show that a search or seizure was unlawful. However, if the search was conducted without a warrant, the burden shifts to the government to demonstrate that the search was justified under an exception to the warrant requirement.

Q: What is the significance of the Fourth Amendment in this case?

The Fourth Amendment protects against unreasonable searches and seizures. This case directly implicates the Fourth Amendment by examining whether the stop and search of Perez's vehicle were conducted in accordance with its protections.

Q: How does precedent likely influence the Fourth Circuit's decision?

The Fourth Circuit's decision would have been heavily influenced by existing Supreme Court and Fourth Circuit precedent regarding reasonable suspicion, the automobile exception, and the use of information from confidential informants. The court likely applied established legal tests from prior cases.

Q: How does United States v. Augustine Perez affect me?

This decision reinforces the broad application of the automobile exception and the weight given to corroborated informant tips in establishing reasonable suspicion and probable cause. It signals that law enforcement can rely on detailed information from informants, even if anonymous, provided there is sufficient corroboration, to justify traffic stops and subsequent vehicle searches. As a decision from a federal appellate court, its reach is national. This case is moderate in legal complexity to understand.

Q: What are the practical implications for law enforcement after this ruling?

This ruling reinforces the legality of using information from confidential informants to establish reasonable suspicion for traffic stops, provided the information is sufficiently detailed and corroborated. It also reaffirms the broad scope of the automobile exception when probable cause exists.

Q: Who is directly affected by the outcome of United States v. Augustine Perez?

Augustine Perez is directly affected, as the evidence found in his vehicle will be admissible against him. Law enforcement agencies and officers in the Fourth Circuit are also affected, as the ruling provides guidance on permissible investigative techniques.

Q: Does this ruling change how police can conduct vehicle searches?

The ruling does not fundamentally change the law but reaffirms existing principles. It clarifies that a well-corroborated tip from a confidential informant can support reasonable suspicion for a stop, and that the automobile exception remains a powerful tool for warrantless vehicle searches based on probable cause.

Q: What are the potential compliance implications for individuals or businesses?

For individuals, it means that if law enforcement has reasonable suspicion based on reliable informant information, their vehicles can be stopped and searched. For businesses involved in activities that might attract law enforcement scrutiny, it underscores the importance of lawful operations.

Q: What might happen to Augustine Perez's case now?

With the denial of his motion to suppress affirmed, the evidence seized from his vehicle is admissible. His case will likely proceed towards trial or a plea agreement, with the prosecution able to use the evidence that was previously challenged.

Q: How does this case fit into the historical development of search and seizure law?

This case fits into the ongoing judicial interpretation of the Fourth Amendment's protections against unreasonable searches and seizures. It builds upon decades of precedent concerning the balance between individual privacy and law enforcement's need to investigate crime, particularly concerning vehicles.

Q: What legal doctrines existed before this case regarding informant tips?

Before this case, legal doctrines like the 'Aguilar-Spinelli' test and later the more flexible 'Illinois v. Gates' totality of the circumstances test governed the use of informant tips to establish probable cause or reasonable suspicion. This case likely applied or refined these established principles.

Q: How does this ruling compare to other landmark Fourth Amendment cases?

This ruling is likely an application of established principles seen in cases like *Terry v. Ohio* (reasonable suspicion for stops) and *Carroll v. United States* (automobile exception). It doesn't break new ground but reinforces existing legal frameworks for vehicle searches.

Q: What was the docket number in United States v. Augustine Perez?

The docket number for United States v. Augustine Perez is 23-7280. This identifier is used to track the case through the court system.

Q: Can United States v. Augustine Perez be appealed?

Potentially — decisions from federal appellate courts can be appealed to the Supreme Court of the United States via a petition for certiorari, though the Court accepts very few cases.

Q: How did the case reach the Fourth Circuit Court of Appeals?

The case reached the Fourth Circuit on appeal after Augustine Perez's motion to suppress evidence was denied by the district court. The government likely appealed the denial, or Perez appealed the conviction after the denial, leading to the Fourth Circuit's review.

Q: What is the significance of the district court's ruling being reviewed?

The district court's ruling on the motion to suppress is a critical pre-trial ruling. The Fourth Circuit's review ensures that the district court correctly applied the law regarding the Fourth Amendment when deciding whether the evidence was obtained legally.

Q: Were there any specific procedural rulings made by the Fourth Circuit?

The primary procedural ruling was the affirmation of the district court's denial of the motion to suppress. This means the appellate court found no procedural error in how the district court handled the suppression hearing and its ultimate decision.