To the extent that we permit data mining programs to proceed, they must provide adequate due process and redress mechanisms that permit individuals to clear their names. A crucial criteria for such a mechanism is to allow access to information that was used to make adverse assessments so that errors may be corrected. While some information may have to be kept secret for national security purposes, a degree of transparency is needed when individuals are trying to protect their right to travel or access government services free from suspicion. Part II of this essay briefly outlines the government\u27s ability to gain access to private sector data held by commercial entities or third parties. Part III of this essay examines data mining and s...