Authorities say 24-year-old Eartle Ray Bell threatened Oxendine with a rifle, ordering her to get out of her car and come with him.
Oxendine refused, pulled out a pistol and shot Bell several times.
The District Attorney is examining the case and will determine whether Oxendine will be charged.
Reported by: Kacey Gaumer
Deputies say the 6-year-old is a boy the woman routinely cares for, but no further details about their relationship were provided.