“......Pressed why the Pentagon and administration officials did not publicly acknowledge the special operations forces’ contribution that tragic night, the sources said officials decided that their anti-terror work inside Libya was sensitive and closely guarded. In addition, U.S. officials did not have a Status of Forces Agreement in place that would have authorized the troops’ presence, the sources said.”.....
http://www.washingtontimes.com/news/2013/oct/30/us-military-commandos-made-it-to-benghazi/print/
Excellent intell and background as usual.
I would recommend anyone, who is really interested in this bad event to read your 3 page history and probability.