That’s an easy out. He just misspoke - knows very well that the killer was born in the USA, but parents were from muslim land.
It proves that the problem of not knowing who’s coming in the country has been going on for a long time.
I don’t think that’s a major error. In fact, the truth is so well known that everyone will just know he made an error.
Enslave woman and kill gays I don’t want them in the country
Home run