If they can't work legally and they can't get welfare, gee...what to do...well, there's always crime to fall back on. Selling drugs seems to be a popular alternative. And a wide range of vocations in the black market of course.
You people are plain idiots. You expect them to starve? Or just pick up stakes and go back to a country they haven't seen in maybe twenty years? Why would they do that when they can sell drugs to your kid?
If they comit (more) crimes they should be arrested, serve their time, and be dropped off in their own country.
This is not their country. Imagine living here for 20 years and never make the first step or attempt to become Americanized. They don’t want to be Americans, they are colonists.