They aren't from outer space if that's what you mean by aliens but the term "alien" here has a different meaning. You should look it up in the dictionary, hoss. They are aliens.
BIDEN: BARBED WIRE IS GOOD ENOUGH TO KEEP AMERICANS AWAY FROM US POLITICIANS AND GOVERNMENT OFFICIALS; ALSO BIDEN: NOOOO, YOU CAN'T USE BARBED WIRE TO KEEP ILLEGAL ALIENS FROM INVADING OUR COUNTRY. THAT'S INHUMANE!