Review briefly that both the Fourth Amendment and the Washington State Constitution require that search warrants issue "upon probable cause. The Fourth Amendment, however, is not a guarantee against all searches and seizures, but only those that are deemed unreasonable under the law.U.S. Constitution, Amendment IV. The right of the people to be secure in their persons, houses, papers, and effects, against unreasonable. The Fourth Amendment protects your privacy – specifically, "in their persons, houses, papers, and effects. Under the Fourth Amendment, a police officer may only use such force as is objectively reasonable under all of the circumstances. The fourth amendment stops police and other government officials from searching us and our property without probable cause (this includes students). The Fourth Amendment prevents the police from stopping you and searching your person, home, or car unless certain criteria are met. Use this instruction for a claim of an unreasonable seizure or arrest under the Fourth Amendment that involves issues of probable cause to arrest. What Does the Fourth Amendment Protect? Explain that today we will be really focusing in on what the word "search" means in the Fourth Amendment context.