Not everyone thinks this, but I know an extreme right-winger who thinks this. He is also a conspiracy theorist who thinks non-white people are out to get white people so, yeah, odd.
Not every immigrant is illegal or bad. I know a girl who didn’t speak English for 3 years when her family legally immigrated, so of course she’s been told this.
The White House made it so that all inmigrants are criminals by default because they entered the country illegally. Turning innocent until proven guilty on its head. Now everyone is guilty by association.