A woman was killed and three others were injured when gunfire was exchanged during a domestic situation in Grundy County.
Sheriff Clint Shrum confirmed the shooting took place in Altamont this weekend.
According to reports, a husband, identified as 37-year-old John Wesley Smith, went into a home and allegedly found his wife with another man.
The wife, identified as 32-year-old Carolyn Nicole Powell, and the other man tried to leave the home, according to the sheriff, and Smith shot both of them.
The woman’s father, identified as 50-year-old Jerone Powell, then shot Smith to stop him. The father was also shot.
Carolyn died from her injuries.
The Sheriff's Office identified the third surviving victim as Christopher Gary Hurst, 38, from Bridgeport, Alabama. Investigators said he was an acquaintance of Carolyn's.
Sheriff's investigators said both Hurst and Jerone Powell have undergone surgery for their injuries at various hospitals. Powell was listed in critical condition.
The suspect, John Smith, was also hospitalized. He was listed in fair condition, the Sheriff's Office said.
Smith will be charged. He reportedly has a lengthy criminal history, according to police.
Investigators also noted there were six children inside the home when the incident occurred.
The Tennessee Bureau of Investigation has been called in to assist the sheriff’s office with the investigation.