Undocumented immigrants pay millions of dollars in state taxes — even in the reddest states

President Donald Trump insists that there’s a national emergency at the “very dangerous southern border.”

He’s called it an “invasion” of undocumented immigrants endangering the lives and livelihoods of hardworking American citizens. And he’s used this narrative to justify taking billions of dollars from the US military to build a border wall.

But when a reporter disputed Trump’s claims earlier this month, Trump only made vague assertions about having “many stats” to back it up.

The president then repeated one of his most outrageous lies: that undocumented immigrants cost US...