That is what the Mexican government is saying, and they are not all from South America. Some of them are from Asia and Africa.
Mexico’s Interior Secretary Olga Sanchez says that these migrants want to get into the United States illegally, crossing the border where there are no walls.
Our own reports confirm it. CBP reports 361,087 people apprehended at the border during fiscal year 2019.
Democrats still deny there is an issue at the border.