I agree. It looks like an inside job. But these types of things are catnip for the likes of Run Paul and his fellow keepers of esoteric knowledge.
Haven’t there been 3-4 of these killings. Is Iran trying to wipe out their own program?
It seems that the Iranians have a knack for offing their own, after the person has fulfilled their purposes. Killing for the sake of Allah would not be unheard of............