It was supposed to just apply to warrants for routine searches at or near the border but has been expanded over time due to lack of oversight. https://www.aclu

It was supposed to just apply to warrants for routine searches at or near the border but has been expanded over time due to lack of oversight. https://www.aclu.org/other/constitution-100-mile-border-zone https://www.aclu.org/other/constitution-100-mile-border-zone