[raddad]

RF leaks are an old tune, NSA was using it back in the 60's I believe. There was an article in Wired about this topic in 2008[0] Gene Hackman and Will Smith in a movie Enemy Of The State (2009)[1] hinted at this technology.

[0] http://www.wired.com/2008/04/nsa-releases-se/

[1] http://www.imdb.com/title/tt0120660/?ref_=nm_flmg_act_10

(edit for formatting)