benghazi. u.s. officials tell the piper they show the former secretary of state and aides were increasingly concerned about the fallout from the attack which left four americans dead. but the e-mails do not suggest that clinton was part of a cover-up or told u.s. forces not to respond as some critics have claimed. aides also used personal e-mail to correspond with clinton which appears to contradict her remarks earlier this month. >> it was my practice to communicate with state department and other government officials on their .gov accounts. those e-mails would be automatically saved in the state department system to meet record keeping requirements and that indeed is what happened. >> but in a statement a clinton spokesman said it was the aide's, quote, practice to primarily use their work e-mail when conducting state business with only the tiniest fraction of the more than 1 million e-mails they sent and received involving their personal