Not citizens, not legal, no citizenship-giving birth certificates. Confirm information to their home country for them to issue a birth certificate. End the misuse of the 14th amendment. Good to see Texas taking a step in the right direction on this (even though they may lose in court).
If the kids want to claim dual Mexican/American citizenship, great.
They can go "home" to Mexico.
Why should America supply all kinds of goodies to the illegal parents?
That's Mexico's problem.