U.S. Terrorism Agency to Tap a Vast Database of Citizens

Angwin, Julia. "U.S. Terrorism Agency to Tap a Vast Database of Citizens." The Wall Street Journal, December 12, 2012. 

From the article: "The rules now allow the little-known National Counterterrorism Center to examine the government files of U.S. citizens for possible criminal behavior, even if there is no reason to suspect them. That is a departure from past practice, which barred the agency from storing information about ordinary Americans unless a person was a terror suspect or related to an investigation.

Now, NCTC can copy entire government databases—flight records, casino-employee lists, the names of Americans hosting foreign-exchange students and many others. The agency has new authority to keep data about innocent U.S. citizens for up to five years, and to analyze it for suspicious patterns of behavior. Previously, both were prohibited. Data about Americans "reasonably believed to constitute terrorism information" may be." Read more