I don't think that is historically accurate. He becomes a research interest after he is repatriated in 2000. (For the simple reason that before that he was bel

I don't think that is historically accurate. He becomes a research interest after he is repatriated in 2000. (For the simple reason that before that he was believed to be just a non-verbal psychiatric patient. There are many of those.) That is well after the dissolution of the USSR and the fall of the Iron Curtain.