Isn’t that what the fence is intended to do?
I see no reason why we should not rescue those children by putting them on a plane and sending them back home along with a bill to their parents for the air fare. After a few weeks or so, they will get the message and stop coming.
Take down the one around the 1/2 white house and the jails and the airports and the private enclaves of the ‘elite’ lawmakers. Yes, take those down first and lets see what happens. Walls and fences are for a reason. Maroon!