They made the mistake that all the young ones make - they didn't get out.
If they had gathered up a fair pile of money and gotten the hell out, they could have set themselves up for life, and no one would ever have been the wiser.
The young ones always get a taste of the cash and want more. The smart ones take their one shot, make it count, and don't leave a trail. You never hear about the smart ones - because they don't get caught - but they're all over the place...