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 guards against unreasonable searches and seizures during multiple circumstances, including traffic stops.Admission of criminal evidence found when police conducted a warrantless search of an out-of-state policeman's automobile following an accident, in order to. The Fourth Amendment to the United States Constitution prohibits the federal government from conducting "unreasonable searches and seizures. The 4th Amendment protects curtilage searches. North Carolina states that police do not have automatic right to enter curtilage for search. The 4th Amendment protects curtilage searches. North Carolina states that police do not have automatic right to enter curtilage for search. The Fourth Amendment protects the right to be secure from government's unchecked power to search and seize. In the United States, the Fourth Amendment of the Constitution guarantees protection against unreasonable searches and seizures.