So essentially he was a “rogue” Saudi agent working against their interests, they offered him a safe quiet comfortable landing which he refused, and then they took him out.
I don’t care (much) how the Saudis handle their own problems....
It has to be something like that.
Khashoggi’s Muslim Brotherhood sympathies dated back to 1970 so that in itself wouldn’t have been news to the Saudis. He must have moved up to assisting some serious enemies of MBS like what Downer suspects.