use of personal e-mail for official business. >> there was no hiding. there was no deleting, like hillary clinton did. there was no servers in the basement like hillary clinton had. you're talking about a whole different -- you're talking about all fake news. >> okay, well, it's not fake news. it happened. and there is unease about it on capitol hill from democrats and republicans. republican trey gowdy sending a letter to white house chief of staff john kelly for more information about ivanka's personal e-mail use. democratic congressman elijah cummings could be asking for a lot of this information. he says he is going to look into it. jeff zeleny is "outfront" now in west palm beach near the president's mar-a-lago resort. ivanka trump defending herself as well. her excuse, essentially, she didn't know. she didn't know this wasn't okay. >> reporter: erin, that is her excuse. good evening, and that's a statement from her lawyer,