the investigation that needs to be conducted because it's obvious that it has a relationship to the fundamental investigation on the russian issue. >> cnn's sources are also telling us that investigators became suspicious when they turned up what are described as intercepted communications of russians discussing efforts to work with paul manafort, the former trump campaign chairman to coordinate information that could damage hillary clinton. what could this lead to? >> well, again, it's pretty obvious that paul manafort had a number of financial relationships both with the russians and other countries in that area. as a result of that he could very well have been subjected to efforts to try to have him influence what happened during the course of the campaign. that has to be fully investigated. so i think it is proper for the