Insurgent is most commonly used today to describe the anti american terrorists in iraq.
Your lame attempt to link them to the illegals is simply stupid.
People are smarter than that.
The illegal immigrants are in fact illegal immigrants.
It is not working, give it up.
I refuse to consider them "immigrants," thereby implying they should stay here. They are temporarily here until caught and expelled or executed as spies.
If someone comes into your home without your permission, he's a "home invader," not an "undocumented tenant."