And he went through a waterfall of money of unknown origin for a long time.
I just saw that reported on FOX News. They said the casino confirmed he was making huge bets these last few days. Tens and tens of thousands of dollars.
It could be he was draining his life savings, because he expected to die. Or, it could mean he was spending his ISIS money. But for the FBI to quickly give us this "No Connection!!" BS is just too much.