At the border, which statement best reflects the Fourth Amendment's applicability?

At the border, which statement best reflects the Fourth Amendment's applicability?

• A. There is no Fourth Amendment right at the border; border searches may be conducted with reasonable suspicion.
• B. A warrant is always required at the border.
• C. Probable cause is required for border searches.
• D. The border is fully protected by the Fourth Amendment with no exceptions.

Answer: (D)