Published Apr 29, 2018 at 1:19 PM | Updated at 1:45 PM PDT on Jun 21, 2018
Asylum seekers wait in Tijuana, across the border from San Diego, for U.S. authorities to signal that their time has come.
Lines at border crossings in California, Texas and Arizona are so busy with asylum seekers that some have to wait days, even weeks, to present themselves to U.S. border inspectors to find out whether asylum requests have been granted. Many have made what can be long and perilous journeys from Mexico and Central America.
Scroll down for images from the California-Mexico border.