>> five months later, paul manafort was gone. his troubled past in ukraine was coming back to haunt him. as cnn first reported, the fbi was looking into possible construction and money laundering involving ukrainian politicians, including the work of manafort's firm. current and former u.s. officials tell cnn high level trump campaign advisors, including manafort, regularly communicated with russians known to u.s. intelligence, though manafort called that allegation 100% not true. >> in addition to all these other connections, manafort -- he admitted he worked for a russian billionaire who is supposed by close to or has ties to vladimir putin. he says he has nothing to hide. when is he going to answer questions about this? >> when he answers those questions, will any of them be on the record, sworn testimony before the senate or house intelligence committees that are looking into all this russian