Fences make good neighbors.
So does razorwire.
So do walls.
So does electrification of such.
So do moats.
So do trenches.
So do landmines.
Let the invader beware.
Well, there are some exceptions to that. But my current home has all of that around it. A gated community, so to speak. ;-)
That being said, I've always thought Vicente was a slimebag for trying to pawn his poverty-stricken and his criminals off on us. That's his responsibility and he wanted the U.S. to be saddled with it. He acts as though it's some obligation on our part.
You left out guard towers, with signs that read, in Spanish: "TRESPASSERS WILL BE SHOT! SURVIVORS WILL BE PROSECUTED, THEN DEPORTED!"
So does razorwire.
So do walls.
So does electrification of such.
So do moats.
So do trenches.
So do landmines.
Let the invader beware.
No! No! No! this must be handled delicately...
Fox hasn't gained any friends up here with his government-sponsored pamphlet guiding illegals over the border. Incredible!
To add to your list, how about:
Guard dogs
Snake pits