Ego, mainly. And a high risk / very high reward ratio. If he pulls this off, he will get a lot of money. If not, he will lay low for a while and come back wi

Ego, mainly. And a high risk / very high reward ratio. If he pulls this off, he will get a lot of money. If not, he will lay low for a while and come back with a new scheme. Basically, no real negative for the guy, as he would have made a ton of money in his previous scam. Desperation may be the alternative explanation.