Border Security Information Improvement Act of 2012 - Directs the Attorney General and the Secretary of Homeland Security to study and jointly report to specified congressional committees on cross-border violence on the southwest border of the United States.
Requires such study to include: (1) the definition of cross-border violence used by law enforcement components within the Department of Justice (DOJ) and the Department of Homeland Security (DHS); (2) the ability of DOJ and DHS and their law enforcement components to track, investigate, quantify, and report on such violence; (3) the extent to which DOJ and DHS define and track cross-border violence and steps being taken to address the effects of such violence along that border; (4) the information and data on cross-border violence collected and made available through interagency task forces; and (5) the additional resources needed.