celebrations are under full swing. we ll look at their 75 years of independence. announcer: live from cnn center, this is cnn newsroom with kim brunhuber. we begin with more fallout from the fbi search of donald trump s florida estate. sources tell us one of former president trump s lawyers signed a letter back in june saying there was no more classified information stored at mar-a-lago. we learned earlier this week federal agents uncovered 11 sets of documents including 2 with top secret. they want damage assessments of the seized documents. the chair s writing that, quote, former president trump s conduct has potentially put our national security at great risk. all of this comes as the fbi is facing backlash over the search like this group that gathered outside an arizona field office. the protests ended peacefully but the bureau is still urging employees to be vigilant saying it s received an unprecedented wave of threats. cnn s caitlyn polance is in washington on th