During the boom, banks didn’t want to hear they were being ripped off. One internal fraud investigator, BB&T’s Amy Stroupe, paid a high price. (Read part 1 of this 2-part series here.)

In-house fraud investigators at some of the nation’s biggest banks and lenders go on the record about how these institutions failed to police themselves in the lead-up to the subprime crisis. (Read part 2 of this series here.)