A murder-suicide on Tuesday night in Fayetteville, North Carolina has left three people dead and one critically injured, police said. A woman, a 14-year-old boy, and a 15-year-old girl were shot before the gunman shot and killed himself. The boy died on the scene, while the woman died after being transported to the hospital. The injured girl was taken into surgery. According to a witness who lives in the home, the gunman knew the victims from church. (Their identities have not been released.) The shooting comes after three people died when a man fired off 90 rounds from a semi-automatic just outside Fayetteville killing a grandfather and his grandson.