"That's what you get for firing me," said the man shooting rounds from a semi-automatic handgun at a group of managers. Three were killed and two were injured when the ex-employee found the group in a coffee shop near the workplace. The gunman had been fired the day before after a troubled work history that included threats to other employees and carrying a handgun to work. When he was fired he said, "You haven't seen the last of me." When supervisors think about workplace violence, stories like this come to mind. Lethal violence involving employees and ex-employees has affected large and small […]