It is likely that the FBI had not administratively closed the Clinton case, though it was no longer an active investigation. On another level, experts told the word "reopens" could imply that officials have found a smoking gun, but that conclusion is premature.
FBI cases are "opened," per management assessment, when there is sufficient information for an investigation. They are "closed," also per a management decision, when there is no more investigative or administrative work to be done.
"Opening and closing a case is really a matter of preparing an internal communication setting forth the reasons for doing so and having the supervisory chain of command agree with that decision," said Nancy Savage, who served in the FBI for 35 years as a special agent and as a management official.
Clearly, the Clinton email investigation (as well as the Weiner case) was officially opened.
But while Comey shared the
of the Clinton email investigation in July 2016, "Comey had not indicated that the Clinton email case was ever formally closed," said Mark Pollitt, a former FBI special agent and director who now teaches at Syracuse University.
"Given the size and scope of the case, I would be surprised it all the paperwork was done yet," Pollitt said. He pointed out that the Clinton investigation had to be active in order for the FBI to obtain a warrant to search Weiner’s emails for Clinton-related exchanges.
So essentially, the case was "reopened" in the sense that the FBI "moved from the administrative wind-up stage back into the active investigative stage," Savage said.
Finally, experts cautioned against reading too much into this new development.
"There is nothing unusual about this investigation being pursued. It is standard operating procedure," Savage said, adding that Comey simply notified Congress that there was new information that required further investigation. "The FBI more than likely did not know and still does not know what all the information means on this computer, which should have (been) turned over much earlier by Abedin."
"The act of reopening a case does not point to any conclusions and is an administrative action within the scope of the earlier review of emails," said Ellen Glasser, a former FBI special agent and supervisor. "Any suggestion that there is a smoking gun, based solely on reopening the case, would be incorrect."
Das sagt doch eigentlich alles, oder? 
Oh nein dann nehme ich doch Trump.. Wer wettet schon gegen Chuck Norris? 
Bekannt noch durch MySpace.
