Is there an un-written rule that the skeleton must bear signs of any violent death?
Slain during a hunting trip? Did he sneak up and slit his brother's throat?
Run through with his sword? At about naval height? But perhaps off to the right a bit?
Edged weapons can easily kill without contacting bone. Sure, this new theory could be right, and the culprit may have been malaria. But examining the bones cannot offer any proof.
They found the mosquito's confession.