Texas

I’ve been out there and that is some of the toughest, remote country in the Lower 48. Most of the area is thinly populated—VERY thinly populated. Roads are scarce out there, very scarce, and most of the territory would be extremely unkind to off-road vehicles. Nobody’s going to be running tractor-trailer convoys of undocumented folks without getting noticed.

Even if border crossing is possible, and I agree that it is, so what? You are still out in the middle of nowhere tens of miles or more from the nearest city or town and as likely as not from the nearest major roadway to take you some where even half-way important.

If there are any right-wingers monitoring my posts, I suggest that you look at a map. A REAL map. Look up Big Bend on Google or some other server and look at the maps showing the terrain.

Take a good look. Take a REALLY GOOD look. This is the sort of terrain frontiersmen avoided in Wild West days: too remote, too hot, too dry, and too rugged.