There was weird shit where he got laid up on the run and it was implied he HAD to go to Russia
but yeah no
No.
I'd do time in a US prison before I'd run to an enemy like Russia.
Sure. But if he whistleblew on the US because Bad Things, which I find valid, you don't run to a country who does Bad Things and will require you to suck their dick forever, while handing over anything they want, and using you as a puppet.
He's a nonviolent offender with name recognition. He'd get low security, probably one of the nicer ones at that. Maybe best to keep him out of gen pop, but they're hardly going to lock him in the hole.
Not that cushy prison is fun or anything.