Reports from the beginning estimate as many as 125 attackers armed with AKs, RPGs, mortars and anti-aircraft guns. No one should have survived. It seems more like the attackers wanted to clear those compounds in order to search them.
US Intelligence Suffers Major Compromise in Libya ("catastrophic intelligence loss" US official)
I read as manly as 200 attackers in the over 500 links I have covered in the past few weeks.I also heard/read the “annex” was a CIA headquarters.