Searches can be conducted with or without a warrant. The Fourth Amendment protects you from unreasonable searches and seizures.Maryland law helps to set out the specific conditions that must be met for a search. You are protected from illegal search and seizure in Maryland per the 4th Amendment. Call our lawyers to discuss your rights. What Does the Fourth Amendment Mean? In the absence of a warrant, a search is reasonable only if it falls within a specific exception to the warrant requirement. The Fourth Amendment generally requires government officials to obtain an arrest warrant or search warrant to execute a valid search and seizure. The Fourth Amendment of the U.S. Constitution protects Americans throughout the country from "unreasonable searches and seizures. When police ask to enter your property, you have an absolute right to decline.