Just because there's 12 million or so shouldn't hinder deportation.
They don't belong here! They are, in fact, a detriment to the worsening health of America. They are tools for the Marxists who would completely destroy this nation.
I think that's incentive enough to begin hunting them down and kicking them out.
With what is going on in Venezeula, Boliva, Chile, Peru and now Mexico it is obvious that Marxism is not dead. We have met the enemy and they are us!