Other sauce & some more details:
www.zerohedge.com/news/2018-10-19/saudis-admits-khashoggi-killed-consulate-king-salman-fires-top-general-adviser
Now of course the Saudis would have to answer where the body is ….
What you're describing is the consequences of an error (probably) MBS made, by acting so uncontrolled and killing this guy in embassy. Now the Saudis try damage control, but the damage is done and the clowns jump on it.