for saudi arabia in this country is ali shehabi. he runs the arabia foundation, a pro-saudi think tank. >> u.s. intelligence believes that jamal khashoggi was murdered on the instructions of the crown prince. that an elite team of people very close to the crown prince went to istanbul with the purpose of doing him harm. what do you say to that? >> look, had you wanted to kill jamal, there were so many cheaper and easier ways to do it. he was very much a friend of the royal family. he was an insider. he was a prominent person, he was a prominent player. everyone has their friends and enemies. the crown prince has denied it. and there simply isn't a piece of evidence. >> senator lindsey graham says there is a smoking gun, it's just a smoking bone saw, not a gun. the war post editorial page puts it very simply. if this was meant to be an interrogation that went rogue, why would you bring a bone saw to an interrogation? >> well, first of all, nobody has shown us that bone saw.