I think the source of the lie is in the White House.
If this was really Hillary’s screwup, she would have already been thrown under the bus by Obozo. This was a planned event, that went terribly wrong. Nothing else explains the lack of security, except possibly to hide the CIA activity at the Annex.
Hillary knows the truth about Obama’s real history. She knows what kind of a Devil he is and who he serves.
It is a Pact with the Devil.
The embassy in Cairo was the first to bring up the video some 12 or more hours before the attack in Benghazi and Hillary herself Tweeted about it from the Cairo embassy Twitter account while the attack was ongoing but still early on.