 When most of us think about people trying to come to the U.S. through Mexico, we likely think of individuals trying to sneak over the border undetected. But that view is largely outdated. While those kinds of unauthorized entries were a huge problem in the early 2000s, better border control saw them collapse in the years that followed. Now, those numbers are going back up in recent years, but that's largely because the Border Patrol is preoccupied dealing with the people,