ACLU has a good explanation here about the 100 miles to the border. It covers 2/3 of the population. https://www.aclu.org/other/constitution-100-mile-border-zo

ACLU has a good explanation here about the 100 miles to the border. It covers 2/3 of the population. https://www.aclu.org/other/constitution-100-mile-border-zone https://www.aclu.org/other/constitution-100-mile-border-zone