It's weird that he can use a laptop, internet, smartphone, travel in business class...
He is very calm and quiet for a person who could possibly be sentenced to many years in prison.
It seems that he has some cards in his hands that can save him and we don't know yet.
Alternatively, he could be resigned to his fate. Trying to make the most of his remaining freedom before he gets put away for a very long time.
Not that I'm condoning it, mind. It just seems to track, given that he's shown no real remorse for his actions so far.
His family is willing to pay 250 million just for him to be released, which is enough to show that they have a lot of money (although it could be investors' money). But in my opinion, even in the US, a country that is considered to have strict laws, when you have a lot of money, nothing is impossible to buy.
For a person who knows he is about to receive a high punishment for what he has done, no matter how optimistic he is, it is impossible to be in such a good mood.