Define: Aguilar–Spinelli Test

Aguilar–Spinelli Test
Aguilar–Spinelli Test
Quick Summary of Aguilar–Spinelli Test

The Aguilar-Spinelli test, which determines the admissibility of non-witness information for arrest or search purposes, consists of two criteria: reliability of the information and credibility of the source. However, this test is now less commonly employed, as judges consider all relevant facts to assess the suitability of the information for use.

Full Definition Of Aguilar–Spinelli Test

The Aguilar–Spinelli test is a standard used in criminal procedure to determine the reliability of hearsay, such as an informant’s tip, in establishing probable cause for an arrest or search warrant. This test consists of two prongs that must be evaluated separately: the reliability of the information and the reliability of the informant. For instance, if an informant informs the police about a drug dealer operating from a specific house, the police must assess the credibility of the information (is there any corroborating evidence?) and the credibility of the informant (have they provided trustworthy information in the past?). If both prongs are satisfied, the police may have probable cause to obtain a search warrant for the house. It is important to note that the Aguilar–Spinelli test has been replaced by a more comprehensive approach known as the totality-of-the-circumstances test, which considers all relevant factors in determining the reliability of hearsay.

Aguilar–Spinelli Test FAQ'S

The Aguilar-Spinelli Test is a legal standard used to determine the validity of a search warrant. It requires that the warrant application must establish both the informant’s credibility and the basis of their knowledge.

The purpose of the Aguilar-Spinelli Test is to ensure that search warrants are based on reliable information and protect individuals from unreasonable searches and seizures under the Fourth Amendment of the U.S. Constitution.

The Aguilar-Spinelli Test evaluates the informant’s credibility by assessing their past reliability, veracity, and accuracy in providing information to law enforcement.

The Aguilar-Spinelli Test requires that the warrant application must provide sufficient information to establish that the informant’s knowledge is based on firsthand observation or reliable sources.

If the Aguilar-Spinelli Test is not satisfied, the search warrant may be deemed invalid, and any evidence obtained through the search may be suppressed in court.

Yes, there are exceptions to the Aguilar-Spinelli Test. One such exception is the “totality of the circumstances” approach, where the court considers all relevant factors to determine the reliability of the informant and the basis of their knowledge.

Yes, the Aguilar-Spinelli Test can be applied retroactively. If a search warrant was obtained without satisfying the Aguilar-Spinelli Test, a defendant may challenge the validity of the warrant even after the search has taken place.

Yes, the Aguilar-Spinelli Test applies to all types of search warrants, including those related to drug offenses, property searches, and electronic surveillance.

No, the Aguilar-Spinelli Test cannot be waived by law enforcement. It is a constitutional requirement that must be satisfied for a search warrant to be considered valid.

The Aguilar-Spinelli Test has been modified and expanded upon by subsequent court decisions. One notable modification is the “Gates Test” established in Illinois v. Gates, which introduced a more flexible and lenient approach to evaluating the credibility and basis of knowledge of informants. However, the Aguilar-Spinelli Test remains influential in determining the validity of search warrants.

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This site contains general legal information but does not constitute professional legal advice for your particular situation. Persuing this glossary does not create an attorney-client or legal adviser relationship. If you have specific questions, please consult a qualified attorney licensed in your jurisdiction.

This glossary post was last updated: 17th April 2024.

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