Just don’t let them in across the border.
Shoot anyone who tries. That will discourage the rest.
“Shoot anyone who tries. That will discourage the rest.”
Sounds like Grandpa when the sheep were getting out and he didn’t want to fix the fence.
He’d say (Swedish accent) “I shoot the leader, it vill take them a veek to find another.”
That’s exactly what Napolean did when squelching the Paris uprisings during French Revolution. He noted this helped save lives by firing live ammo into the crowds-the first person killed sent the message.