It’s tough trying to figure out who will imprison any of them, really. The investigative process can and will certainly be drawn out past the election time, by which Obama may wield his pen and phone to grant pardons.
True or Hillary as POTUS could pardon Huma and Mills.
I’m just hoping that after the 2016 election, there’s someone in office that will peel back the layers on the rotten onion that’s been created in Washington.