Well, it wasn't the missile that caused their deaths. Strictly speaking, it was the
explosion of the missile.
Well, wait. It wasn't the explosion - technically, it was the impact of the pressure wave on their bodies that caused ... well, no. Really, it was the fact that their organs stopped working after impact of the ... well. If you really want to be accurate, it was the fact that metabolism ceased to be practicable after their organs stopped working.
Well, no, actually, the fact that their mental processes depended on their metabolism - that was really the cause of their... Well, no...