Homeland Security revives supersnoop

Homeland Security officials are testing a supersnoop computer system that sifts through personal information on U.S. citizens to detect possible terrorist attacks, prompting concerns from lawmakers who have called for investigations.

The system uses the same data-mining process that was developed by the Pentagon's Total Information Awareness (TIA) project that was banned by Congress in 2003 because of vast privacy violations.

...

Data can include credit-card purchases, telephone or Internet details, medical records, travel and banking information.