The right of the people to be secure in their persons, houses, papers, and effects, against unreasonable searches and seizures, shall not be violated. As part of the Bill of Rights, the Fourth Amendment to the U.S. Constitution guards against any actions of unreasonable search and seizure.But cracks in the Fourth Amendment have weakened our personal security. To register to vote, most people will have to fill out and submit a paper application. In general, most warrantless searches of private premises are prohibited under the Fourth Amendment, unless a specific exception applies. The Fourth Amendment of the U.S. Constitution protects Americans from random and arbitrary stops and searches. The Fourth Amendment of the U.S. Constitution protects Americans from random and arbitrary stops and searches. Amendment Four to the Constitution was ratified on December 15, 1791. It protects the American people from unreasonable searches and seizures. The answer is the fourth amendment which prohibits unreasonable searches and seizures of property and individuals.