Illegals will only be able to become bona fide citizens if the enlist in the army.
Then any person intending citizenship will have to enlist.
You can see that then becoming the Robert Heinlen/Starship Troopers vision of voting citizenship only becoming conferred by "service", however constituted, for residents.
And, of course, there's all those Columbians fighting for the growth of Dick's wallet in Iraq. keep to the Fen Causeway