pening. >> reporter: romney fired back that the pepresident's team blapred the attack on an b antimuslim videoeven after they knew it wasn't so. >> it was a terrorist attack, and it took a long time for that to be told to the american people. whether that was some misleading, or, instead, whether we just didn't know what happened. i think you have to ask yourself why didn't we know five days later when the ambassador went on tv to say this was ais demonstration. >> reporter: that was in reference to susan rice's statement on september 16th. >> our current assessment is what happened in benghazi was a reaction to what had transpired hours before in cairo. almost a copycat of the demonstrations against our facility in cairef which were prompted, of course, by the video. >> reporter: state department officials said last week they never believed the video had caused the attack. the president said last night the attack is still under investigation, but insisted that there was no attempt to deceive. >> president obama: the day after the attack, governor, i stood in the rose garden, and i told e amer