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 4th Amendment is designed to protect you, your home, and your property.Amendment Four to the Constitution was ratified on December 15, 1791. It protects the American people from unreasonable searches and seizures. The Fourth Amendment prohibits the United States government from conducting "unreasonable searches and seizures. The Fourth Amendment to the U.S. Constitution protects against arbitrary searches and seizures of people and their property, even in this expanded border area. A search under Fourth Amendment occurs when a governmental employee or agent of the government violates an individual's reasonable expectation of privacy. These protections are grounded in state law and the Fourth Amendment to the U.S. Constitution. In Los Angeles County and throughout the United States, the Fourth Amendment provides protection against illegal search and seizure. States Constitution and Article 1 of the California Constitution.