The Fourth Amendment protects against unreasonable searches and seizures. It requires a warrant, based on probable cause, for searches."Under the Fourth and Fourteenth Amendments, an arresting officer may, without a warrant search a person validly arrested. The right of the people to be secure in their persons, houses, papers, and effects, against unreasonable searches and seizures, shall not be violated. A well regulated militia being necessary to the security of a free state, the right of the people to keep and bear arms shall not be infringed. This session explored how the Court has ruled on Fourth Amendment issues related to the bodyeverything from fingerprinting to strip searches. Constitution of the United States. The Fourth Amendment establishes constitutional limits on police power. 106. Like. ICE ruses often take place early in the morning, when they can catch people as they are waking up or getting ready for work. The Fourth Amendment is among the first ten amendments that make up "The Bill of Rights".