Six people are dead and another was wounded Friday in a series of shootings in Tate County, Mississippi after a man opened fire on his ex-wife and potentially other family members, Tate County Sheriff Brad Lance told CNN.

The suspect, Richard Dale Crum, 52, was arrested after the alleged rampage and is facing charges of first-degree murder in connection with the case, the sheriff's office said. Additional charges are expected to be filed, the department said.

Authorities got the first 911 call around 11 a.m. ET after the suspect pulled into the parking lot of a store in Arkabutla, a small rural town in northern Mississippi, and fired into the car next to him where he fatally shot the driver, Lance said. Another person in the vehicle was not injured.

Lance said the suspected gunman went into the store then took off, driving to his ex-wife's home. Lance said the suspect shot and killed his ex-wife before striking her fiancé, who was also in the residence.