While there was probable cause for arrest, the Fourth Amendment protects against unreasonable seizures as well as unreasonable searches. General Requirements for Searches and Seizures.A. Searches generally must be made pursuant to a warrant. Police officers do not need a search warrant when an individual voluntarily consents to a search. Dollree Mapp was charged with possession of obscene material. The right of the people to be secure in their persons, houses, papers, and effects, against unreasonable searches and seizures, shall not be violated. The Opinion and Judgement Entry of the. Trial Court for the Court of Common Pleas, Cuyahoga. Searches and seizures inside a home without a warrant are presumptively unreasonable. The U.S. Supreme Court ruled in a 5-3 vote in favor of Mapp.