This 2018 file photo shows Tijuana, Mexico, left, and San Diego, Calif., separated by a U.S. border fence.
This 2018 file photo shows Tijuana, Mexico, left, and San Diego, Calif., separated by a U.S. border fence. Daniel Ochoa de Olza AP
This 2018 file photo shows Tijuana, Mexico, left, and San Diego, Calif., separated by a U.S. border fence. Daniel Ochoa de Olza AP