(Scott Johnson) First NBC News managed to wangle an interview with Guccifer in a Romanian cell. In the course of the interview NBC extracted the "bombshell" (as NBC calls it) that Guccifer hacked Hillary Clinton's private email server. Had NBC reported it, its "bombshell" would have been a scoop. Having extracted the "bombshell," NBC sat on it. It chose to leave it to FOX News to report the story of his hacking
Source: Power Line