Under the Fourth Amendment, searches and seizures may only take place under certain conditions. A warrant must be obtained from a court.However, the courts have carved out some exceptions to the. The Fourth Amendment requires the government to obtain a warrant based on probable cause to conduct a legal search and seizure. Unreasonable seizure and search; issuance of warrants. Fourth Amendment Searches and Seizures ; Amdt4.3 Scope of Protected Rights. Amdt4.3. 1Overview of Unreasonable Searches and Seizures ; Amdt4.4 Probable Cause. The Fourth Amendment to the U.S. Constitution protects individuals from unreasonable searches and seizures. (B) if the summons and complaint were mailed to a person's last-known address, the individual depositing the summons and complaint in the mail. General overview: Section 5 of the Alabama Constitution reaffirms the federal Fourth Amendment.