1. ACLU (American Civil Liberties Union). 2022a. Border Security Technologies . https://www.aclu.org/other/border-security-technologies.
2. ACLU (American Civil Liberties Union). 2022b. The Constitution in the 100-Mile Border Zone . https://www.aclu.org/other/constitution-100-mile-border-zone.
3. Aizeki Mizue Geoffrey Boyce Todd Miller Joseph Nevins and Mirian Ticktin. 2021. Smart Borders or a Humane World ? https://www.tni.org/files/publication-downloads/smart_borders_humane_world_2021.pdf.
4. The American Immigration Council. 2021. The Costs of Immigration Enforcement and Border Security. https://www.americanimmigrationcouncil.org/sites/default/files/research/the_cost_of_immigration_enforcement_and_border_security.pdf.
5. Azarmi Mana. 2019. A “Smart Wall” That Fails to Protect Privacy and Civil Liberties Is Not Smart. https://cdt.org/insights/a-smart-wall-that-fails-to-protect-privacy-and-civil-liberties-is-not-smart/.