It used to be possible to destroy evidence: shred letters, burn receipts. There are plenty of legitimate reasons to do it. If the encryption is crippled, in the

It used to be possible to destroy evidence: shred letters, burn receipts. There are plenty of legitimate reasons to do it. If the encryption is crippled, in the cloud based world the evidence of all your electronic communications will be indestructible, for the first time in history.