JOHNSON COUNTY, IL. (WJPF) – A death investigation is underway in Johnson County after a fight between a father and son.

Illinois State Police were dispatched to a home in rural Grantsburg around 6:00 PM Monday.

Investigators say that 75-year-old Henry Bullock shot his son, 43-year-old Brandon Bullock, following a fight inside the elder Bullock’s home.

An autopsy on Brandon Bullock’s body is scheduled for Wednesday.

The investigation is ongoing and being handled by Illinois State Police