Series 9 Rumours & Speculation

[TygerBright]

oh but he could be so DEEP undercover that even the Russians (but for 2,5 people in Moscow) don't know he's theirs.
Still, I refuse to think it'd be that easy.. if they do make him a Russian super mole, they'd have two twist and re-write quite a few story lines...not puttin it past them but I'd be disappointed if he were "only" a Russian spy/traitor.
...and who says the ultimate betrayal is committed by Lucas?!?!