Strategic Solution for US-VISIT Program Needs to Be Better Defined, Justified, and Coordinated: Report to the Chairman and Ranking Member, Committee on Homeland Security, House of Representatives / United States Government Accountability Office, February 2008
PDF - http://www.gao.gov/new.items/d08361.pdf
"DHS has partially defined a strategic solution for meeting US-VISIT’s goals. In particular, the US-VISIT program office has defined and begun to develop a key capability known as “Unique Identity,” which is to establish a single identity for all individuals who interact with any immigration and border management organization by capturing the individual’s biometrics, including 10 fingerprints and a digital image, at the earliest possible interaction."