I play my bets on it being real time, the cutscenes for the first were realtime, these are probs just cuts from many different cutscenes, I don't know why people think they are CG, the kinda things going on in these are definitely able to be produced in real time. Let me remind you people of Unreal 3:
If that can be done in real-time, I'm sure the Mafia-2 stuff can.