The 4th Amendment prohibits unreasonable searches and seizures. The Fourth Amendment and Michigan Constitution protect against unreasonable searches and seizures.The Fourth Amendment prohibits the U.S. government from engaging in unreasonable searches and seizures. If you are accused of a felony or misdemeanor, and evidence might have been seized in violation of the Fourth Amendment call (248) 2636800. According to the Fourth Amendment, every person is protected against unreasonable search and seizure. As noted above, the government requires probable cause to believe a search will yield evidence of a crime. Or probable cause in the absence of a warrant. 67 But in 1967, the. An officer can search your vehicle if they have probable cause. While officers have the authority to stop you for violations, they must have reasonable suspicion or probable cause.