The FBI investigating the many crimes that are shown in the email. Bribery, fraud, election fraud, corruption, conflict of interest and other crimes are documented in the emails.
But the system is rigged.
Now bring in the other "investigative agencies" that have a stake in both the investigation and the outcome: Secret Service, FBI, FEC, Homeland Security, House Intelligence Committee, NSA, Justice Department itself, and many others.
This will need a special prosecutor before it is concluded....and there is no stopping it now.