An illustrated collage of the US border wall with a US Customs and Border Protection badge

100 Mile Border Zone

Know your rights within the 100-mile border zone.​

Last Updated: September 5, 2025

Overview

The Fourth Amendment of the U.S. Constitution protects people from random and arbitrary stops and searches. Although the federal government claims the power to conduct certain kinds of warrantless stops within 100 miles of the U.S. border, important Fourth Amendment protections still apply.

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