That's clearly an industry spy hired by a fromager to study the competition. Must have been assassinated. Cheesemongers are ruthless bastards.
On a side note, eatin' that much calcium-rich goodness'll preserve them bones for a long, long time.
Cheating at cards.
It seems he was playing cards with someone. Maybe he/she lost a bet and had to eat a portion (or even all) of that cheese. They failed, but I'm impressed that they could even eat that much.
Tyromancy ritual that went wrong
He died from the taint during the blight
AND THE CHEESE!...TO DIE FOR...
At least it wasn't the Ham of Despair.
What do you think?