The Fourth Amendment only protects against "unreasonable" searches. The case concerns the constitutional standards that apply to a warrantless search of a probationer's residence.Fill out the contact form or call us at (480) 4131499 to schedule your free consultation. I would like to fill out a application on line how would i do that? Failure to report may be a policy violation subject to discipline up to and including dismissal. Arrest without a warrant. The Fourth Amendment of the U.S. Constitution protects your right to be secure from unreasonable searches and seizures. The Fourth Amendment of the U.S. Constitution prohibits unreasonable searches and seizures. The Fourth Amendment of the U.S. Constitution prohibits unreasonable searches and seizures. ¶17 Under the Fourth Amendment, a search warrant may only issue upon probable cause.