In this March 2, 2016 file photo, two people walk toward metal bars marking the U.S. border where it meets the Pacific Ocean in Tijuana, Mexico.
In this March 2, 2016 file photo, two people walk toward metal bars marking the U.S. border where it meets the Pacific Ocean in Tijuana, Mexico. Gregory Bull AP file
In this March 2, 2016 file photo, two people walk toward metal bars marking the U.S. border where it meets the Pacific Ocean in Tijuana, Mexico. Gregory Bull AP file