outrage ensues. cement 9th. as ambassador stevens gets toward leave tripoli for benghazi, alec henderson, a diplomatic security officer in tripoli, warns that the february 17th martyr s brigade can t be trusted to protect it. september 10th. benghazi. ambassador stevens arrives in the city though his movements are supposed to be secret, local media are there. and that is cause for grave concern. on the eve of the anniversary of 9/11. coming up, america suffers another blow on another 9/11. after the break.