The first requirement for a search is government action, because private intrusions, no matter how invasive, do not implicate the fourth amendment. Arrested for illegal search and seizure?Phoenix Search and Seizure Attorney Howard Snader can help! The Fourth Amendment protects individuals against unreasonable searches and seizures. The Fourth Amendment of the United States Constitution protects a citizen against an unwarranted invasion of privacy and illegal search and seizure. The Fourth Amendment of the U.S. Constitution protects your right to be secure from unreasonable searches and seizures. Because of the Fourth Amendment, police are only allowed to intrude on personal property under specific conditions with a valid search warrant. The Fourth Amendment of the U.S. Constitution protects your right to be secure from unreasonable searches and seizures. If a police officer doesn't have probable cause to search your vehicle, it is considered an unlawful search and seizure. Amendment's search warrant requirements.