We will only have to do this a few times then the message will get out.
NO. The problem with catch and release and with your plan is that the invaders are alive to try again.
Anyone attacking our border is an enemy and should be dealt with as such.
Let them know that ANYONE approaching our border will be killed, and then kill those who approach our border.
Eventually we will kill them all or the wise ones will realize that only death waits for them here and they will turn around and go away.
Bullets are cheap. We need to use a lot of them.