The Fraud Triangle: Fraudulent Executives, Complicit Auditors and Intolerable Public Injury by Allan Littman explains why so many huge executive frauds escape disclosure by the major professional auditing firms who supposedly guard the public against them. Early in the 20th century, the modern auditing profession began to suppress its original primary duty to detect and expose fraud in favor of providing more non-audit services to management. Partial reinstatement of the duty to detect fraud in 1989 still leaves gaps, and the auditors' duty to expose fraud they have detected remains...