FILE - In this Dec. 10, 2015, file photo, contractor Sabira Dewji, right, helps a pedestrian crossing from Mexico into the United States at the Otay Mesa Port of Entry have his facial features and eyes scanned at a biometric kiosk in San Diego. U.S. Customs and Border Protection officers will be key players in putting President Donald Trump's revised travel ban into effect on Thursday, June 29, affecting visitors from six mostly Muslim countries. The busiest point of entry is San Diego's San Ysidro crossing with Tijuana, Mexico, with 31.8 million admissions during the latest 12-month period, an average of 87,000 a day. (AP Photo/Denis Poroy, File)