The Fourth Amendment to the United States Constitution prohibits the federal government from conducting unreasonable searches and seizures. 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 Fourth Amendment to the U.S. Constitution generally prevents the government from arresting or searching a person without a warrant. The Fourth Amendment bars the government from unreasonable search and seizure of an individual or their private property. The Fourth Amendment to the U.S. Constitution generally prevents the government from arresting or searching a person without a warrant. The original text of the Fourth Amendment of the Constitution of the United States. Please take a few minutes to fill out a brief survey, available in English and Spanish. The Fourth Amendment protects us from unreasonable search and seizures of our person, our house, our papers, and our effects.