FILE - In this Oct. 2, 2012 file photo, Secretary of State Hillary Rodham Clinton speaks at the State Department in Washington. Clinton headed to Peru Monday, where she will talk about women's empowerment. But overshadowing her trip is the lingering political drama in Washington over the Obama administration�s handling of last month's deadly attack on the U.S. consulate in Libya. (AP Photo/ Evan Vucci, File)
An independent panel charged with investigating the deadly Sept. 11 attack in Libya that killed a U.S. ambassador and three other Americans has concluded that systematic management failures at the State Department led to inadequate security that left the diplomatic mission vulnerable.
Despite those failures, the Accountability Review Board determined that no individual American officials ignored or violated their duties and found no cause for any disciplinary action. The board found that contrary to initial reports, there was no protest outside the mission and blamed the incident entirely on terrorists.
The State Department sent a classified version of the report to lawmakers Tuesday and released an unclassified version later Tuesday. The report makes 29 recommendations to improve embassy security. Secretary of State Hillary Rodham Clinton said she accepted them all.