FBI increasingly tracking people by phones

Although this is nothing new, the escalation factor needs to be noticed. This post from SmartMobs writes that

The American FBI is increasingly asking courts to authorize surveillance by mobile phones, according to the Washington Post. Specifically, what the agency requests is permission to locate a suspect, either by identifying nearest cell phone tower or, more precisely yet, through the E911 channel. One danger:

In some cases, judges have granted the requests without requiring the government to demonstrate that there is probable cause to believe that a crime is taking place or that the inquiry will yield evidence of a crime. Privacy advocates fear such a practice may expose average Americans to a new level of government scrutiny of their daily lives.

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