This reminds me of the first bullet point here: https://assets.donaldjtrump.com/Pay_for_the_Wall.pdf

In what is known as the most heartless plan imaginable for paying for "the wall."

> On day 2 Mexico will immediately protest. They receive approximately $24 billion a year in remittances from Mexican nationals working in the United States. The majority of that amount comes from illegal aliens. It serves as de facto welfare for poor families in Mexico. There is no significant social safety net provided by the state in Mexico.