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 Legal Division Handbook relies essentially on the Supreme Court cases that have developed Fourth, Fifth and Sixth Amendment law.The Fourth Amendment prohibits the United States government from conducting "unreasonable searches and seizures. The Fourth Amendment protects the right to be free from unreasonable searches and seizures. (U. The authority of states to tax income is "universally recognized. However, the Supreme Court has carved out numerous exceptions to the warrant requirement, as explained below. Amendment scrutiny altogether, because "Fourth Amendment protection. Search in catalog site! The authority of states to tax income is "universally recognized. Ficers in the Fourth Amendment context.