What role does an ethics audit have in fraud detection?

This clip provides an overview of the fraud triangle and the role of pressure, opportunity, and rationalization. The video also discusses the Dixon, IL municipal fraud of over $53 million. Watch the video and answer the following questions:

What role does an ethics audit have in fraud detection? (40 Points)
How was Rita Crundwell able to embezzle nearly $53 million over almost 20 years? (20 Points)
What role does the fraud triangle play in allowing people to feel comfortable with engaging in fraud?