After years of delivering presentations and writing on the prevention of Workplace Violence, and after analyzing the various events that have been reported in the media, I have narrowed down my list of "The Most Common Mistakes That Lead To Workplace Violence" down to five general categories:   1. Overuse of Denial, Delays, and Avoidance 2. Managers Not Attending to Aberrant Behaviors 3. Not Having a Threat Response Plan and Team in Place 4. Acting Too Hastily (Not Preparing for Critical Events) 5.  Lack of Employee Support ...