I don't think this legally limited to crossing borders in the US. My understanding is CBP asserts the right to warrantless searches in the entire border zone, w

I don't think this legally limited to crossing borders in the US. My understanding is CBP asserts the right to warrantless searches in the entire border zone, which includes every square inch of several states. https://www.aclu.org/know-your-rights/border-zone https://www.aclu.org/know-your-rights/border-zone