There are the existence of emails. They are probably nothing. (Edit: They may not even be Hillary's emails.) But if the mere existence of the emails is leaked before the FBI says anything, the FBI looks bad. So they went ahead and got ahead of the story and any potential leak by simply sending a letter to Congress. And all they are saying is: We are going to look at the new emails. To call it "re-opening the case" is a reach.FBI REOPENS CASE INTO HILLARY EMAILS... https://t.co/VLHvXikL4O— DRUDGE REPORT (@DRUDGE_REPORT) October 28, 2016
Edit: And, once again, I'm being proven right. Just didn't think it would happen so quickly.
BREAKING: US official: Newly discovered emails related to Clinton investigation did not come from her private server.— The Associated Press (@AP) October 28, 2016
WaPo changed its headline from "reopens investigation" to "takes new investigative steps."— James Oliphant (@jamesoliphant) October 28, 2016