Mrs. Roby Q & A (At 2 hours 6 min 56 seconds to 2:18:08) reveals that to this day (according to state dept) local security contractors are not vetted and fail to provide documentation.
Select Committee on Benghazi Holds Second Hearing
http://www.freerepublic.com/focus/f-news/3236325/posts
https://www.youtube.com/watch?v=gu_3kOZQtuc
That is just amazing!