The Fourth Amendment protects your right to privacy. The Fourth Amendment's rule against unreasonable searches and seizures mean the police cannot search you or your vehicle unless one of the following is true.The 4th Amendment of the U.S. Constitution prevents the government from conducting unreasonable searches. The Fourth Amendment's rule against unreasonable search and seizures means that police may not search you or your property unless one of the following is true:. The Fourth Amendment of the U.S. Constitution protects everyone in the country from unlawful search and seizure. The Court finds that the Government's request runs afoul of the Fourth and Fifth Amendments, and the search warrant application must be DENIED. The police officers go up to the third floor, enter, and then start searching. Under the U.S. Constitution, you have a right to be free from unreasonable searches and seizures. The right of the people to be secure in their persons, houses, papers, and effects, against unreasonable searches and seizures, shall not be violated.