Most likely protective custody.
Otherwise his lawyer would be screaming 'political prosecution' and 'constitution violation' and 'torture' from the rooftops.
>https://vault.fbi.gov/hillary-r.-clinton/Hillary%20R.%20Clinton%20Part%2023%20of%2023/vie
Someone dropped a crumb in this letter to Comey.
Tracking the overflight requests would be of particular interest to those investigating all actions by USGovt personnel before, during, and after the killing of Ambassador Stevens.
More likely protective custody.
I think Manafort was a plant working for HRC to help nominate the pied piper candidate and then lose the election.
The Mueller investigation is to expose the motive behind that activity… his involvement with Podesta, Ukraine, Russian, etc.
Now, they've flipped him, and protecting him.
Otherwise, he dead.
The 33 number comes up a lot.
Like Laura Silsby and the 33 orphans she was caught with in Haiti.
HRC's 33k missing emails.
It's a calling card… a distress signal to those in the know. Someone in the cabal needs help covering something up.