If he's a perpetual ' BAD GUY' (ie never reformed from these alleged old terror affiliations) IT STILL DOESN'T JUSTIFY BEING DISMEMBERED ALIVE , but it does add context
"... media calls Khashoggi a journalist, but his writings from 80s Afghanistan read as Jihadist propaganda with titles like, "Arab Mujahadeen in Afghanistan II: Exemplifies the Unity of Islamic Ummah".
And when Osama bin Laden set up Al Qaeda, he called Khashoggi with the details."