Yes, the Muslims are guilty. The attack was planned and carried out by Saudi Arabians. They have never payed for what they did and thanx to politicians never will.
https://www.latimes.com/nation/la-na-obama-saudis-bill-20160923-snap-story.html
https://amp.mcclatchydc.com/news/politics-government/white-house/article152029102.html