They can’t. Once they step foot on US soil, they have to allowed stay via “asylum” and are granted a court hearing. Yes, it’s insane, but it was designed that way by the Democrats/Globalists/Communists.
The ‘migrant’ was telling the news lady that he was fleeing Gautamala because of the violence. So he travels one thousand miles through Mexico to flee violence in his home country? What’s wrong with this picture.