Revealed: FBI can demand web history, phone location data without a warrant

The FBI can use national security letters (NSLs) to force companies to turn over sensitive user data without a warrant, according to filings.

http://www.zdnet.com/article/fbi-can-force-companies-to-turn-over-user-data-without-a-warrant/?tag=nl.e539&s_cid=e539&ttag=e539&ftag=TRE17cfd61