I suggest you look at a map that goes beyond Texas. This is about San Diego, CA, not San Diego, TX.
San Diego, CA, among the nation's largest cities, sits on the southern border with Mexico.
I regret my sarcasm was missed....... Sorry about that chief. (Yes, I worked in SD CA for several tours. This is a bout a democrat party that doesn’t know - in court testimony - what the meaning of “is” is.)