“While Congress scrutinizes the White House’s plan for a border wall to keep out undocumented immigrants, another part of the federal government wants to build technology for the Mexican government. The State Department is gathering information on a biometric system, to be used for the government of Mexico, that could hook up to the United States’ own databases storing some citizens’ personally identifiable information, including fingerprints and iris scans.”
Source: State Department Wants to Build A Biometric System for Mexico – Nextgov.com