johnny mercer said he was "treading down this path with the utmost care".a public consultation on whether non—payment of the bbc licence fee should remain a criminal offence. the bbc has already announced that it can't afford to give free licences to all over—75—year—olds. speaking to the commons culture committee, the head of the bbc, lord hall, was asked whether he would really be prepared to see 80 or 90—year—olds taken to court. the new chair of the committee, julian knight, started by asking about the kind of letters sent to people who didn't pay. i'm going to ask the clerk now to pass you an example... i placed today one of these letters. i placed several other examples in the house of commons library, which will be there to be viewed for the next week. julian knight read out the letter, which concluded... "you could face prosecution and financial penalties. you then outline the fines. and then you say basically to stop this visit, buy a tv licence, move an existing licence or tell us you don't need one. "to stop this enforcement visit to your home an