But the special counsel has yet to announce charges for the hacking of the DNC, even though the intelligence community and private cybersecurity experts linked the attack to the Russian government more than a year ago. Legal experts say there are several possible explanations.

“[The reasons] can range from, there’s no evidence of any known individuals, to publicly announcing the indictment would compromise other aspects of the investigation” said Mark Zaid, a Washington-based attorney specializing in national security…

“There may be one and it may be sealed,” said Jack Sharman, a former special prosecutor to Congress for the Whitewater investigation, adding that prosecutors often file indictments under seal when “they don’t want to alert targets and potentially useful witnesses that in fact somebody has already been charged.”