Worth being aware, if you aren't already, of the 100-mile border zone loophole that allows that federal government to stop and interrogate anyone, without probable cause.
https://www.aclu.org/know-your-rights/border-zone#how-does-this-work-in-real-life-cbp-on-buses-and-trains
https://www.aclu.org/know-your-rights/border-zone#how-does-this-work-in-real-life-cbp-on-buses-and-trains
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Colorado has “border”
https://www.cbp.gov/about/contact/ports/CO
https://www.novo-legal.com/en/blog/are-there-immigration-checkpoints-in-colorado
https://www.aclu.org/know-your-rights/border-zone
We called it the "Constitution-Free Zone" .. tho now it seems the whole country is