to add to the evidence that mass could you was behind t moscow was behind the intrusion. one breaking away from the team and saying russia was behind the hack. we have more with our senior correspondent fred pleitgen. walking us through the last 24 hours. >> reporter: christine, the digital fingerprints are interesting to many people here in russia and in the u.s. as well. what that source was telling cnn, they were able to trace all of this back to a keyboard. one specific keyboard using the cyrillic alphabet. that is the alphabet used in the russian language. the conclusions that in some way, shape or form, the russian government was involved in all of this. it is interesting because the second source told cnn the information, quality of intelligence they are getting on