The Fourth Amendment, however, is not a guarantee against all searches and seizures, but only those that are deemed unreasonable under the law. The Fourth Amendment sets out the right to be free from "unreasonable searches and seizures" and establishes conditions under which search warrants may be used.Under the Fourth Amendment of the United States Constitution, law enforcement officers must obtain a warrant before conducting a search. The Fourth Amendment to the U.S. Constitution protects individuals from unreasonable searches and seizures. Constitutional Protections in Utah Criminal Cases. The Fourth Amendment guarantees protection against unreasonable warrantless searches and seizures. It was simply copied as a standard provision found in the federal Fourth. You have rights when it comes to police searching and seizing anything found on you or in your property. Utah's Rules of Criminal Procedure in Rule 40 explains the requirements for obtaining, executing, and returning a search warrant. One of your constitutional protections is the Fourth Amendment right against unlawful search and seizure.