“[The CIA] haven’t come out with the evidence to show the tracing of the data from the DNC server to, for example the Russians, or anybody else, or going from them to WikiLeaks, which is a high priority target for NSA, in terms of network monitoring,”

He’s one of the group of Veteran Intelligence Professionals for Sanity who signed a letter arguing that if the data was a hack, the NSA would have a trace of the hack.