TBI spokesperson Kristin Helm said the man who was shot, Terry Massengill, 52, was killed in the incident.
Helm said his son, Brandon Massengill, was being arrested by two officers when his father, Terry, pointed a gun at officers and was shot and killed by one of the officers.
The Knox County Medical Examiner is expected to perform an autopsy.
TBI's case fill will be turned over to the District Attorney General for review when completed.
The Tennessee Bureau of Investigation is looking in an officer-involved shooting that happened in Tazewell on Saturday.
TBI spokesperson Kristin Helm said the Claiborne County Sheriff's Office responded to Cave Springs Road after a road rage incident.
Deputies were arresting the suspect when the subject's father came out of a nearby home and pointed a shotgun at deputies.
During the incident, a Claiborne County deputy fired his gun and shot the father.
Officials have not released the subject's condition at this time, and TBI said no deputies were injured in the incident.
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