Guilford County Sheriff BJ Barnes said Tuesday 14-year-old Zachary Lee Smith died late Monday after being shot by his mother.
Authorities say 36-year-old Mary Ann Holder killed herself after shooting her two sons and three other children in the head. The sheriff's department says Holder's nephew and her older son's girlfriend remain in critical condition.
Holder also shot her married former lover when they met early Sunday. Forty-year-old Randal Lamb was in stable condition after being shot in the shoulder.