Take away Birthright Citizenship and about 99% of the women stop coming.
Take away their ability to put their kids in an American Elementary school and get free breakfast and lunch, and they stop coming.
End the refugee resettlement programs. And send the ones that are here, back to where they came from.
Implement the Entry/Exit Visa system and track folks down.
Put a moratorium on all student visas for at least 15 years.
Form nationwide law enforcement take forces to hunt and get rid of the cartels and gangs.
No military force needed.
Trump floated ending birthright citizenship. Trump also did a good job on the cartels and drug criminals.