True, the cause of corporate death is most often written in terms of finance, markets, strategy, productivity, tactics. Occasionally embezzlement or blatant error. But the real reasons, the underlying conditions that made the company weak, are most often found in the spirit of the company where the hidden corporate killers lurk. Fortunately, indications of problems can be detected long before anything shows on the bottom line. These indications fall into two broad divisions: Early Warning Signs/Symptoms (EWS) and Leading Performance Drivers (LPD). This article offers sample questions of each.