[A]fter the manner of the charming old Irish lady who, when asked whether she believed in leprechauns, said, “I do not; but they are there anyway”. – A.C Grayling
For what it’s worth, I don’t know what happened to David Kelly and I’m not sure he was murdered. Then again, I’m not sure he was not. And as far as conspiracies go, this one at least seems plausible. And so I’m with the letter writers: his death should be properly investigated.