Transcript for Trump knew about 2016 meeting with Russians: Cohen

duties on that action. Stunning political news overnight. Sources tell ABC news that michael con claimshat Donald trumaddvanced knowledge of the trump tower wussians were offer up dirt onlaclinton. The meeting. S pierrethomas. Reporter: These new altions everayf the Michael Cohen. Did T preside know about th infamousru tower meeting did henowit? Multipleoues tling ABC news that Mike kollcohen CLAs thatthen-cdidateald trump was aware O Jun 2016 tru tower meet with the Russians re it happened. Last N, trump's attorney Rudy grfected Cohen as aar. O Dou in my mind that he'sible. Eporter: C's attorne lay Davis denying to comment. It's not true, cohenould prosecution. If 'S true, it contradicts repeated claims by T president andhe presidentwn team. And presids own do trump jr.ho was contacted about the russiansoffering up damagingnformation of Hillary Clinton testified that H dad didn't know thmeeting. Did youour father hing about this in. No,nog. Reporter: Prosecutors in new York are examine whether Cohen committed financial crimes and look spoog his roles O keeping quite affrs involving trump before he tookffice. Re's tru talking Allen weisselberg on theapprce. Replacin W is my chief financial oer Allen isselberg. Reporter: He's mentioned that controversial you new audio tape wrerump and core deciding whether to B rights to a story. Cohepo proses using a shell company. Cohen now stand at the epicenter athi controvers in the coming wee his growing can divide with theresident co prove critical.o bring in Dan Abrams Chris

This transcript has been automatically generated and may not be 100% accurate.