In a college bookkeeping job for a leather-goods company, this author observed that sales data weren't reconciling with the rising cost of goods sold. That discovery helped nail the vice president, who was running an illegitimate business from the factory floor, stealing materials and selling finished goods. A new DeLorean and a fancy watch were red flags that the vice president was living suspiciously beyond his means. This article discusses how forensic accountants can recognize red flags of white-collar crime by practicing professional skepticism and looks at the psychology of criminals to identity their opportunity and motive. It also offers five steps to designing fraud deterrence.