Saud Al-Qahtani is not tweeting here https://twitter.com/saudq1978 , but according to https://arabicpost.com/politics/middle_east/2018/11/17/%D8%A7%D9%84%D9%82%D8%AD%D8%B7%D8%A7%D9%86%D9%8A-%D9%8A%D9%85%D8%A7%D8%B1%D8%B3-%D9%85%D9%87%D8%A7%D9%85%D9%87-%D8%A7%D9%84%D8%B3%D8%B9%D9%88%D8%AF%D9%8A%D8%A9/ he is still doing his normal work for MbS and is not in jail nor in house arrest and visited Abu Dhabi on governmental business a few days ago.
Turkey is still holding a lot of info to be released later. What will happen next?
This 8 min video is a good description of what happened https://www.nytimes.com/video/world/middleeast/100000006154117/khashoggi-istanbul-death-saudi-consulate.html