I think he wanted to send a strong message to "activist" Border Patrol agents who were too zealous about catching people.
I think he wanted to chill the BP, and that is what the whole case has been all about from the start.
President Bush can’t lift a finger without the Council on Foreign Relations’ permission.
He doesn’t necessarily want this Mexican invasion, but the CFR plans to homogenize the U.S. and fold it onto the rest of the world. (Most key members of this and other administrations are and have been CFRs)