Sources: Trump lawyers investigate top Trump aide

Attorneys for Donald Trump conducted an internal investigation into allegations that one of his top aides, Boris Epshteyn, has sought to gain financially from his influence with Trump and others in the president-elect’s orbit, according to multiple sources familiar with the matter. CNN's Erica Hill discusses with CNN reporters Sara Murray and Kristen Holmes. Then, Hill is joined by CNN's Paula Reid, former GOP Rep. Adam Kinzinger and former Trump attorney William J. Brennan to discuss special counsel Jack Smith dropping all federal cases against President-elect Trump. #CNN #News