I’ve known and worked with some folks who didn’t have the proper documentation to arrive here and work legally. They were generally very hard-working people who accepted incredibly low pay and crappy conditions and did an amazing job, if someone showed them how to do whatever the task was.
They were people that any country would be proud to claim as citizens — it seemed to me.
Of course, they have no rights here. They live in a shadow world. This article does a pretty good job explaining what the so=called immigration reform law does and does not provide.