[mmoskal]

Survivor bias? maybe they just don't catch the ones that only had two suitcases of cash.

[suriya-ganesh]

This. + Hastiness and overconfidence. When you do it over a long stretch of time, you try to stretch the limits occasionally

[ceroxylon]

From the fraud cases I've worked on, greed does factor in and you can often see a point in time within the data where it seems like they realize they are 'getting away with it'.