Donald Trump is a white supremacist, which is why it’s no coincidence that that language he uses to demonize people of color—Mexican immigrants, in particular—is the same language of self-avowed white supremacists and neo-Nazis. Columnist Dana Milbank:

“There is a Revolution going on in California. Soooo many Sanctuary areas want OUT of this ridiculous, crime infested & breeding concept,” the president tweeted on Tuesday. What could he mean? Immigrants are breeding thoroughbred horses? Prize-winning cattle? Or perhaps Trump was using “breeding” in the sense now popular among white supremacists?

The answer, yes. Like racists before him, Trump uses this kind of language to strip his targets of their humanity. When they stop becoming living, breathing people and starting becoming “things” and animals, it becomes easier to mistreat them, abuse them and deport them.

And, it mirrors language used by KKK leaders like David Duke and neo-Nazis like Richard Spencer, who “frets about white ‘displacement by the subject race through differential fertility rates and interracial breeding.’” Spencer’s mindset is the White House’s mindset—Stephen Miller, current advisor to the president and immigration hardliner, was a college friend of Spencer’s.

It’s true that slurs originating in the disgusting recesses of white supremacy have worked their way up into the White House, and it’s true that they have also gone from the top down. After Trump “all lives matter”-ed Deferred Action for Childhood Arrivals (DACA) recipients at his State of the Union speech earlier this year by stating that “Americans are Dreamers, too”—this line was almost assuredly penned by Miller—white supremacists adopted it: