Constitution of the Commonwealth of Pennsylvania. Article I. Declaration of Rights.Under the Fourth Amendment to the US Constitution, the police are prohibited from conducting a search and seizure without "probable cause." 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 United States Constitution prohibits the federal government from conducting "unreasonable searches and seizures. The National Constitution Center serves as America's leading platform for constitutional education and debate. The Fourth Amendment to the United States Constitution prohibits the federal government from conducting unreasonable searches and seizures. The original text of the Fourth Amendment of the Constitution of the United States. In this session, students will examine the historical context and the drafting of the Fourth Amendment. Ratified December 15, 1791.