was calling home, and what phones were being used. but this makes the committee's investigation all the way more difficult. i >> just don't want think, just when you talk about the norms these records, it is the law to. it's not just norms. the president is quite clear on this. he says whoever willfully unlawfully conceals news, mutilates obliterates or destroy its, doesn't say flush down the toilet, or intends to do so, take some carries away any record, proceeding, map, book, paper document, or other thing, fouled or deposited with any clerk or office, or any court of the united states or any public office, or with any judicial public officers should be fined under this title or imprisoned not more than three years, or both. it's key there, but there's definitely a pattern of concealment here that you guys have been unearthing in your excellent reporting. thank you very much, ashley parker and luke broad wall. >> all right, coming up, the question on everyone's minds. what is donald trump's criminal exposure here? what happens when a president