There was a discussion a little while back on the UKCrypto mailing list about how the UK Regulation of Investigatory Powers Act came to be so specifically associated in the media with terrorism, when it is far more general than that ( see for example: “Anti-terrorism laws used to spy on noisy children” ).
I suggested that this “meme” might well be traced back to the Home Office website’s quick overview text which used to say (presumably before they thought better of it):
The Regulation of Investigatory Powers Act (RIPA) legislates for using various methods of surveillance and information gathering for the prevention of crime including terrorism.
Well, I’ve just noticed another source of memes (which may be new, since Google are continually experimenting with their system. or which may have been there for simply ages, unnoticed by me at least).