All accountability professionals are familiar with Cressey's Fraud Triangle. What about the Fraud Pentagon? Or the Triangle of Fraud Action? How about the Advanced Meta-Model of Fraud? Explore these models, their strengths, and their shortcomings, emphasizing motivations and pressures that push otherwise honest people to commit fraud: unbearable financial pressure and economic hardship, for example. Understanding why and how people are driven to commit fraud will equip us to prevent or detect fraud early.