for official e-mails while secretary of state. the state department is releasing the e-mails, but today, it said that after review, 22 of them contained top secret information. the state department says the e-mails were not labeled classified back when they were sent, but today s revelation raises questions about clinton s decision to use her private system for public business. it is the last thing she needs three days before iowa. nancy cordes is with clinton tonight on the campaign trail. hello, everybody! reporter: just before clinton took the stage in dubuque, state department spokesman john kirby announced that seven e-mail chains from her private account, totaling 37 pages, were being upgraded to top secret. in consultation with the intelligence community, we are making this upgrade, and we believe it s the prudent, responsible thing to do. reporter: top secret is one of the highest levels of classification, reserved for material that, if released, would cause e
pelley: the e-mail controversy began last year when we learned that hillary clinton used an unsecured home server for official e-mails while secretary of state. the state department is releasing the e-mails, but today, it said that after review, 22 of them contained top secret information. the state department says the e-mails were not labeled classified back when they were sent, but today s revelation raises questions about clinton s decision to use her private system for public business. it is the last thing she needs three days before iowa. nancy cordes is with clinton tonight on the campaign trail. hello, everybody! reporter: just before clinton took the stage in dubuque, state department spokesman john kirby announced that seven e-mail chains from her private account, totaling 37 pages, were being upgraded to top secret. in consultation with the making this upgrade, and we believe it s the prudent, responsible thing to do. reporter: top secret is one of the hig
captioning sponsored by cbs this is the cbs evening news with scott pelley. pelley: the e-mail controversy began last year when we learned that hillary clinton used an unsecured home server for official e-mails while secretary of state. the state department is releasing the e-mails, but today, it said that after review, 22 of them contained top secret information. the state department says the e-mails were not labeled classified back when they were sent, but today s revelation raises questions about clinton s decision to use her private system for public business. it is the last thing she needs three days before iowa. nancy cordes is with clinton tonight on the campaign trail. hello, everybody! reporter: just before clinton took the stage in dubuque, state department spokesman john kirby announced that seven e-mail chains from her private account, totaling 37 pages, were being upgraded to in consultation with the intelligence community, we are making this upgrade, a
reporter: just before clinton took the stage in dubuque, state department spokesman john kirby announced that seven e-mail chains from her private account, totaling 37 pages, were being upgraded to top secret. in consultation with the intelligence community, we are making this upgrade, and we believe it s the prudent, responsible thing to do. reporter: top secret is one of the highest levels of classification, reserved for material that, if released, would cause exceptionally grave damage to the national security. the e-mails resided on clinton s private server at her home in chappaqua, new york, for years, until she turned over 55,000 pages at the department s request. i did not e-mail any classified material to anyone on my e-mail. there is no classified material. reporter: in a statement today, her campaign called the move over-classification run amok, the result of bureaucratic infighting, the e-mails appear to involve information from a published news art
controversy began last year when we learned that hillary clinton used an unsecured home server for official e-mails while secretary of state. the state department is releasing the e-mails, but today, it said that after review, 22 of them contained top secret information. the state department says the e-mails were not labeled classified back when they were sent, but today s revelation raises questions about clinton s decision to use her private system for public business. it is the last thing she needs three days before iowa. nancy cordes is with clinton tonight on the campaign trail. hello, everybody! reporter: just before clinton took the stage in dubuque, state department spokesman john kirby announced that seven e-mail chains from her private account, totaling 37 pages, were being upgraded to top secret. in consultation with the intelligence community, we are believe it s the prudent, responsible thing to do. reporter: top secret is one of the highest levels of cla