The Fourth Amendment protects citizens from unreasonable searches and seizures. A seizure without a warrant is unreasonable, subject to a few enumerated exceptions. The famous case of Terry v. Ohio held that a detention by law enforcement is a seizure within the meaning of the Fourth Amendment. Following the logic in Terry, an officer who detains a person for a traffic offense must have a re asonable suspicion that the law is being violated based on specific and articulable facts. The suspicion must be formed before the stop. Idaho's constitutional provisions relating to searches and seizures are similar to federal law, however, Idaho courts have repeatedly held that Article I § 7 provides citizens with greater protection than that provided under federal law.