Ike had Operation vetback, and off they hauled. After that, we saw Republicans win a plenty.
Recently The Great Homeland Security has removed entire cities, populations of 500,000+ like San Diego for a total of 200 burning or singed homes in the end count, a giant bad joke, wasn't it. Yes it was.
Anyone who whines it's too big a job or cannot be done has not been paying attention.
I will say this though. Very few to none in power have the American backbone to do anything about it, and if they did, they'd of course have to do it TSA style, making certain they select often the least possible amount of illegal immigrants to "target for possible deportation", so it would be a tremendous mess and laughing stock of the sane world.