release your tax returns while you're under audit. >> if the trump organization was a public company there would be years of detailed information available. that doesn't exist. in fact, the only financial documents he released publicly are the basic financial forms required of all candidates. >> the financial disclosures give you a broad but incomplete outline of trump's business empire. >> incomplete but one thing they do reveal is that the trump organization is actually more than 500 different businesses. including golf courses and hotels. but there's a lot missing. >> what is not on the form most importantly are things like the people you're in business with or any of your customers or clients. >> later this hour, why that is important. >> up next. >> there's a picture of donald trump himself right here. it never says i'm just licensing my name. i have nothing to do with the