Why does a woman get to stay in the US if they give birth here?

Illegal aliens come to this country and then have a baby here. The baby is a citizen but the mother also gets to stay and gets welfare benefits forever and ever. Democrats say that it is inhumane to "break up a family". There are American women that have children that commit crimes and are sent to prison. Nobody cares that a mother is separated from their child. Why do we have this double standard?

Why does a woman get to stay in the US if they give birth here?
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