In this June 22, 2016 file photo, Border Patrol agent Eduardo Olmos walks near the secondary fence separating Tijuana, Mexico, background, and San Diego in San Diego.
In this June 22, 2016 file photo, Border Patrol agent Eduardo Olmos walks near the secondary fence separating Tijuana, Mexico, background, and San Diego in San Diego. Gregory Bull AP
In this June 22, 2016 file photo, Border Patrol agent Eduardo Olmos walks near the secondary fence separating Tijuana, Mexico, background, and San Diego in San Diego. Gregory Bull AP