Our penal code seems to apply the same to aliens, so I suppose our rights should too. If they are here illegally though, then we could arrest and deport them when they tried to file the federal paperwork to buy a pistol, for example.
They should be pitched out of the country upon discovery, then it would be a moot point.
GEE WHIZ....Do ya think so???? But that means we'd have to enact the KISS Principle (Keep It Simple Silly) Prolly take Congress 20 years to enact THAT.