Migration Patterns: Americans Headed South

The little-noticed surge across the U.S.-Mexico border: It’s Americans heading south

https://www.washingtonpost.com/world/the_americas/the-little-noticed-surge-across-the-us-mexico-border-its-americans-heading-south/2019/05/18/7988421e-6c28-11e9-bbe7-1c798fb80536_story.html