The Fourth Amendment, however, is not a guarantee against all searches and seizures, but only those that are deemed unreasonable under the law. Under the Fourth Amendment, a police officer may only use such force as is objectively reasonable under all of the circumstances.Amendment, a search occurs if the government intrudes upon a subjective and reasonable expectation of privacy. The Fourth Amendment prohibits the United States government from conducting "unreasonable searches and seizures. What rights are protected in the Washington State Constitution? However, there are several exceptions to the warrant requirement that allow the government to perform warrantless arrests and searches. It will eliminate loopholes that let the government investigate us and our property without having to get a warrant. In the digital age, law enforcement is savvy enough to pull information about your client's online presence and use it against them. Eighth Amendment, not the Fourth Amendment. The Fourth Amendment prohibits government officials from performing "unreasonable searches and seizures.