> AFAIK, while you have to deal with the TSA, you don't have to deal with customs/immigration for domestic flights.
Not routinely, but Border Patrol claims special powers and jurisdiction in a shockingly large portion of the country. Anything a hundred miles from a border (or a lake that touches a border, placing places like Chicago in it). https://www.aclu.org/other/constitution-100-mile-border-zone
Not routinely, but Border Patrol claims special powers and jurisdiction in a shockingly large portion of the country. Anything a hundred miles from a border (or a lake that touches a border, placing places like Chicago in it). https://www.aclu.org/other/constitution-100-mile-border-zone