§ 11 Searches and seizures. The Fourth Amendment Right Protects Citizens from Unreasonable Searches Without Warrants.I.C.7.1. Conduct Searches Without a Warrant Only Under Court Recognized Exceptions to the Fourth Amendment Warrant Requirement. a. What Does the Fourth Amendment Mean? According to the Fourth Amendment, every person is protected against unreasonable search and seizure. Under the Fourth Amendment, you receive protection from unreasonable searches and seizures. A search without a warrant is illegal under the 4th Amendment. Evidence seized illegally is subject to suppression and is inadmissible in court. The Fourth Amendment protects against unreasonable searches when driving in Michigan. Suppose the law always required police officers to complete a warrant application before they could search or seize a suspect or evidence.