Hillary Clinton will appear before the House Select Committee on Benghazi Thursday in an attempt to settle the last remaining questions about the Sept. 11, 2012 terror attack.

While her team has cast the congressional probe as a political exercise in rehashing the past, investigators have never nailed down answers for lingering loose ends in the official account of what took place at the U.S. diplomatic compound in Benghazi, Libya, nor have they determined exactly how the government chose to present the attack to the American people based on intelligence that was later proven false.