The FBI appears to have begun using a novel form of electronic surveillance in criminal investigations: remotely activating a mobile phone's microphone and using it to eavesdrop on nearby conversations.
The technique is called a "roving bug," and was approved by top U.S. Department of Justice officials for use against members of a New York organized crime family who were wary of conventional surveillance techniques such as tailing a suspect or wiretapping him. MORE
Isn't it rather embarrassing when a respectable tech mag refers to an old trick as "novel"?
But, I digress. I meant to say: it shows you why you need a phone with a removable battery, and why you should remove it when you are discussing the next bank job.