Border Security Information Integration Act

Border Security Information Integration Act - Directs the Attorney General and the Secretary of Homeland Security to enter into a memorandum of understanding to guide the integration of the Federal Bureau of Investigation's (FBI) integrated automated fingerprint identification system (IAFIS) and the Department of Homeland Security's (DHS) automated biometric fingerprint identification system (IDENT). Makes the Chief Information Officers of the Department of Justice (DOJ) and DHS responsible for coordinating such integration.

Requires: (1) IDENT to be updated on a daily basis with information pertaining to warrants issued and individuals wanted for questioning by the FBI until IAFIS and IDENT have been fully integrated; (2) the Secretary to develop a clear and uniform policy that details when a border patrol agent shall use IAFIS and IDENT; and (3) a border patrol agent who uses IAFIS or IDENT with respect to an alien to update both systems with information pertaining to the agent's encounter with the alien.