Behalf Wittingly News Today

Possibility of collusion with the trump campaign. >> i know what the russians try to do. they try to get individuals to act on their behalf wittingly or unwittingly. and i was worried about the number of contacts that the russians had on u.s. persons. i had unresolved questions in my mind as to whether or not the russians had been successful in getting u.s. persons involved in the campaign or not to work in their behalf. frequently people dont realize they are along that path until it gets to be...

They try to get individuals including u.s. persons to act on their behalf wittingly or unwittingly. people along a treasonous path do not realize it. >> reporter: despite a year of investigation, there is still no evidence of russia/trump collusion. the senate intelligence committee issuing subpoenas to businesses owned by former national security adviser michael flynn after flynn pled the fifth refusing to comply with the previous request to turnover all documents related to the russia investig...

Information and intelligence that revealed contacts and interactions between russian officials and u.s. persons involved in the trump campaign. >> reporter: the former head of the cia, john brennan, testifying for the first time he saw evidence of russian operatives attempting to recruit trump aides during the campaign. >> it raised questions. >> reporter: brennan conceding he did not see proof of collusion before leaving office. >> these are contacts which may have been innocent and benign. >> ...

The president revoked the security clearance of john brennan. now, a senior national security and intelligence analyst brennan has become one of the presidents most prominent critics. tweeting its astounding you often fail to live up to minimum standards of decency. brennan was one of the first officials to blow the whistle on russias interference. and later he entertained the possibility of collusion with the trump campaign. >> i know what the russians try to do. they try to get individuals to ...

Involved in the trump campaign that i was concerned about because of known russian efforts to suborn such individuals and it raised questions in my mind, again, whether or not, the russians were able to gain the cooperation of those individuals. >> reporter: and while john brennan stopped short of saying he saw clear evidence that will collusion took place between russia and the trump campaign he said he saw a need for serious investigation on whether russian officials were working on trumps beh...