house. reporter: we re learning some new details today about michael cohen, the president s personal lawyer and his finances. his ties to a company that s linked to a russian oligarch who was sanctioned by the u.s. for election meddling. that oligarch cnn has learned has been questioned by the mueller investigative team and we also have some new details about what the investigators asked him about. cnn has learned that special counsel robert mueller s investigators questioned russian oligarch viktor vekselberg about hundreds of thousands of dollars his company s u.s. affiliate columbus nova paid to president trump s personal attorney michael cohen after the 2016 election. viktor vekselberg he s close to vladimir putin and one of several glarkz sanctioned by the u.s. government next month. the company was also hit with penalties in retaliation for russia s interference in the election. i can t make any comments as it relates to our sanctions or any specifics.