On March 9, 2012 reports:
Ever since the U.S. Department of Homeland Security was created after 9/11, Texas business leaders along the border have been on edge.
DHS made it plain about eight years ago that it wanted to identify foreigners entering the country in a way that could verify foreigners when they left the United States — so that the government could detect who is overstaying their visas. To achieve that goal, DHS started a program called US-VISIT that compiles information about who enters and when.
DHS has been seeking to expand on that program by verifying foreigner entries and exits with technology using biometrics, either a thumbprint and/or a retina scan.
DHS has long wanted to use the technology at airports, seaport