The answer is you come in thru the system anything else is jail and hard labor (let them rake the desert) then deportation with a revocation of any chance future work visa.There is nothing to think about they are spreading disease,Crime and stealing from the system with impunity.
Of course I dutifully rewired the Light switch box to feed this ridiculous retro-fit and reminded my wife that the last disposal rather disliked being fed fibrous remains such as expanding potato peels and the like and she assured me that she would use good judgment on what our new dependent would feast.
The little beast now lives on a regular diet of ice cubes and vinegar/baking-soda dressing and the occasional spilled box of small nails that happens to be mislaid on the sink's edge.
Myself, I still think that while I sleep, someone is having a big meal of hashbrowns, sausage and gravy.