Key dates in the FBI probe of Hillary Clinton's emails

November 2, 2016 – Email is leaked showing that Peter Kadzik, then-head of legislative affairs at the Justice Department, offered Clinton campaign chairman John Podesta a "heads-up'" in May 2015 about a congressional hearing where a Justice official was likely to be questioned about Clinton's email use.

https://www.cnn.com/2018/06/14/politics/key-dates-fbi-hillary-clinton-emails/index.html

https://wikileaks.org/podesta-emails/emailid/43150