This article published in the Canada Free Press by Doug Hagmann contains added background to what went on in Benghazi:
First, it is important to understand that Ambassador Stevens, Sean Smith, Glen Dougherty and Tyrone Woods were not killed at a consulate office in Benghazi—as there is not such office there. They died at one of the largest CIA operations centers in the Middle East, which was located in Benghazi and served as the logistics headquarters for arms and weapons being shipped out of the post-Qaddafi Libya.”