The Guardian reviews the various theories on FOIA2009.zip, closing with what must be the absolute worst nightmare scenario for UEA. After observing that “so far, the police investigation has got nowhere.”, they state:
It is not even clear whether the crime of computer data interception has actually occurred.
They describe a scenario in which no crime occurred, observing:
If this hypothesis turns out to be true, UEA may end up looking foolish. For there will be no one to arrest.