It was official a long time ago.
Blix has everything to gain by not finding violations in Iraq, and nothing to lose.
Blix wants inspections to fail. He also wants them to never end.
If he finds something, the U.N. looks like a bigger load of idiots than they already do. So does Blix, who is famous for having been led down the primrose path by Saddam on nuclear weapons before the Gulf War.