Here's a little something I posted in here before regarding entrapment:
http://www.lectlaw.com/def/e024.htm

As far as the U.K., I would imagine it would be the same if not worse. I just watched a news story on how the police were able to listen in on phone conversations based on suspicion. Just always watch your back and think of the worse case scenario.....PLAY IT SAFE!!!

Have a good one!:thumbsup: