100 Mile Border Zone
Know your rights within the 100-mile border zone.​
Issue:
Immigrants' Rights
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.