investigators to review these e-mails to determine whether they contain classified information as well to assess their importance to our investigation. close quote. well, hillary clinton addressed the issue at a press conference with reporters in des moines. >> i have now seen director comey's letter to congress. we are 11 days out from perhaps the most important national election of our lifetimes. voting is already underway in our country. so, the american people deserve to get the full and complete facts immediately. the director himself has said he doesn't know whether the e-mails referenced in his letter are significant or not. i'm confident whatever they are will not change the conclusion reached in july. >> anyway, senior law enforcement official told nbc news that the comey letter was sent to the hill out of an abundance of caution and to be extra thorough. well, the official said the e-mails were discovered on another device, multiple federal