2. The US Border Patrol has lost court cases for things they have done within those 100 miles, essentially saying they shouldn't have done those things.
An informal interpretation of this is that the US Federal Government and BP generally view the powers of the BP as more expansive than the judicial branch, possibly including the legislative.
The dissonance arises from these contradictions:
1. Federal regulations specifically state "100 air miles" with respect to the US Border patrol: https://www.ecfr.gov/current/title-8/part-287/section-287.1#...
2. The US Border Patrol has lost court cases for things they have done within those 100 miles, essentially saying they shouldn't have done those things.
An informal interpretation of this is that the US Federal Government and BP generally view the powers of the BP as more expansive than the judicial branch, possibly including the legislative.