The concerns over civil liberties are real -- and hard to fully fathom. Some credit is due here in this report to the President,for advancing some sound recommendations in this report.
That said: The City of Chicago has already demonstrated how predictive analytics is being used to analyze a person's individual propensity to criminal activity (in response to an epidemic of gang-related murders.) There's good news in that: It improves public safety. But there's also a darker side to this: Who knows where this level of scrutiny will end?
Read more at: Andree G. Ferguson, "Big Data and Predictive Reasonable Suspicion," 163 University of Pennsylvania Law Review, April 2014, http://ssrn.com/abstract=2394683