For this reason, according to the source, American Marines were not stationed at the U.S. embassy in Tripoli or the American mission in Benghazi, as would typically have been the case. In the spirit of a "low profile," the administration didn't even want an American company in charge of private security. Blue Mountain, the British firm the State Department hired, was willing to abide by the "no bullets" Rules of Engagement (ROE), so were a logical fit for the contract. These sub-standard protections for American diplomats were signed by Secretary of State Hillary Clinton in the ROE.
Thanks for the link! This was known in 2012. I’ve always thought Breitbart is a reliable source and this just reinforces it.