A customer was upset about service received at a phone repair shop, which led to a fight and then fatal shooting that left ...

Aaron Bell mourns his son Cody, killed at work trying to deescalate a confrontation with an angry customer who brought a gun ...

A man’s bass tone, which may be frightening, is raised to a higher pitch to sound softer. However, if an operator cannot tell if a customer is angry, the operator may not be able to react ...