The right of the people to be secure in their persons, houses, papers, and effects, against unreasonable searches and seizures, shall not be violated. The Fourth Amendment prohibits the United States government from conducting "unreasonable searches and seizures.The Fourth Amendment does not prohibit the warrantless seizure of evidence of a crime in plain view, even if the discovery of evidence was not inadvertent. 4th Amendment Simplified. The Fourth Amendment is the part of the Bill of Rights that prohibits unreasonable searches and seizures. In every case, the Fourth Amendment gives citizens protection against unreasonable searches and seizures. An excerpt from former NSA contractor Edward Snowden's exclusive interview with Brian Williams. And that's that the Fourth Amendment's prohibition against unreasonable search and seizure can be separated. What Rights Are Granted in the Fourth Amendment? The text of the Fourth Amendment conspicuously fails to require a warrant for every government search or seizure.