September 12, 2012 - In an address from the Rose Garden, President Barack Obama says "The United States condemns in the strongest terms this outrageous and shocking attack. ... No acts of terror will ever shake the resolve of this great nation." Later that day he says, "No act of terror will dim the light of the values that we proudly shine on the rest of the world, and no act of violence will shake the resolve of the United States of America."
September 13, 2012 - At a campaign stop in Golden, Colorado, President Obama says, "I want people around the world to hear me: To all those who would do us harm, no act of terror will go unpunished."
September 13, 2012 - Doubts about the cause of the attack pick up steam. A senior U.S. official tells CNN, "The video or 9/11 [anniversary] made a handy excuse and could be fortuitous from their perspective, but this was a clearly planned military-type attack."
September 14, 2012 - President Barack Obama and Secretary of State Hillary Clinton attend a funeral service for the four victims at Joint Base Andrews, Maryland.
September 14, 2012 - CNN reporters find a journal belonging to Ambassador Stevens on the floor of the consulate compound. They use relevant information from the journal for reporting and return it to his family.
September 16, 2012 - U.S. Ambassador to the United Nations Susan Rice says, "We do not have information at present that leads us to conclude that this was premeditated or preplanned" and "Soon after that spontaneous protest began outside of our consulate in Benghazi, we believe that it looks like extremist elements, individuals, joined in that in that effort..."
September 19, 2012 - Matthew Olsen, director of the National Counterterrorism Center, tells the Senate Homeland Security and Governmental Affairs Committee that the ambassador and three other Americans "were killed in the course of a terrorist attack on our embassy." This is the first time an Obama administration official uses the term "terrorist attack" to describe what happened.
September 20, 2012 - After days of repeating that the video mocking Islam caused the attack, White House Press Secretary Jay Carney says: "It is, I think, self-evident that what happened in Benghazi was a terrorist attack. Our embassy was attacked violently, and the result was four deaths of American officials." U.S. officials also back away from the theory that a protest led to the attack.
September 21, 2012 - Secretary of State Hillary Clinton says, "What happened in Benghazi was a terrorist attack, and we will not rest until we have tracked down and brought to justice the terrorists who murdered four Americans."
September 25, 2012 - President Obama says on ABC's "The View" in response to whether the attack was an act of terrorism: "We're still doing an investigation. There's no doubt that (with) the kind of weapons that were used, the ongoing assault, that it wasn't just a mob action. We don't have all the information yet and so we're still gathering it."
September 27, 2012 - Secretary Panetta says, "As we determined the details of what took place there and how that attack took place, that it became clear that there were terrorists who had planned that attack...."
September 28, 2012 - The Office of the Director of National Intelligence announces that despite initial reports the attack on the consulate was spontaneous, they now believe it was a terrorist attack.
October 1, 2012 - Representative Peter King (R-NY), demands that U.S. Ambassador Susan Rice step down after making what he called misleading comments about the attack in Benghazi.
October 4, 2012 - An FBI team arrives at the consulate to investigate. They are delayed nearly three weeks because of security concerns.
October 9, 2012 - Two senior State Department officials brief reporters saying there was no prior indication that an attack was imminent, there was "nothing unusual" throughout the day of the attack, and that Ambassador Stevens held a meeting with a Turkish diplomat that evening and then retired to his room in one of the compound's buildings at 9 p.m.
October 9, 2012 - CNN reports that Eric Nordstrom, regional security officer in Libya until July 2012 sent two diplomatic cables to the state Department requesting additional security agents for the Benghazi consulate. The cables were sent in March and July, 2012.
October 10, 2012 - Charlene Lamb, Eric Nordstrom, Lieutenant Colonel Andrew Wood, and Ambassador Patrick Kennedy testify before the House Committee on Oversight and Government Reform.
October 15, 2012 - Secretary Clinton says, "I take responsibility. I'm in charge of the State Department's 60,000-plus people all over the world, 275 posts."
October 16, 2012 - During a presidential debate, President Obama says: "I am ultimately responsible for what's taking place there because these are my folks, and I'm the one who has to greet those coffins when they come home."
October 19, 2012 - Several senior administration officials tell CNN that UN Ambassador Susan Rice's use of the word "spontaneous" to describe the Benghazi attack came directly from an assessment provided by the CIA, which was not edited by the White House. This assessment is revised following Ambassador Rice's use of the word.
October 25, 2012 - The Senate Select Committee on Intelligence announces it will hold hearings to review the attack.
November 3, 2012 - A U.S. government official tells CNN that the FBI is expected to question Ali Ani al Harzi, a suspect in the consulate attack. The United States first became aware of Ali Ani al Harzi when he apparently posted details of the attack on social media while it was happening. He was detained by Turkish officials after he crossed into the country from Libya.
November 8, 2012 - Mark Basseley Youssef (the Egyptian-American film maker who made "Innocence of Muslims" which was originally blamed for the consulate attack) is sentenced to one year in federal prison for violating the terms of his probation from a 2010 bank fraud case. He is also ordered to serve four years of supervised release after his prison term.
November 15, 2012 - The Senate Select Committee on Intelligence holds a closed oversight hearing.
December 18, 2012 - An independent review of the September 11 attacks on the U.S. Consulate in Benghazi is released. The report cites "systemic failures and leadership and management deficiencies" at the State Department.