RIPA everywhere.
@Andre Carneiro
Encryption wouldn't work. You're forgetting that, in the UK, refusal to hand over encryption keys is itself a criminal offense.
"The maximum penalty for failing to hand over an encryption key on demand is two years – or five years where you are being investigated under anti-terror legislation."
http://www.theregister.co.uk/2008/10/14/ripa_self_incrimination_ruling/