If you read the Benghazi Congressional Testimony transcripts the small militia that showed up identified themselves as being sent by Mohammed Morsi to meet with the Ambassador & the Libyan security force mostly left. The few that remained and the Americans locked it down because the Ambassador and others smelled a rat. He was right, the rat was getting ready to go to bed before catching a flight to vegas.
My guess is that the career Foreign Service knew he'd been sold out by barry & his goons.
The media makes Assad out to be a bad guy, I'm not saying he isn't, but he protected the Christians in his country. They've all now either fled or been murdered savagely.