Father describes killing gunman who had shot three children and teacher in Oregon

Kaylub Giamanco said he was driving past Silver Rail Elementary School in Bend, Oregon on Oct. 15 when he saw a 16-year-old gunman dressed in black jump the fence. The gunman fatally shot three children and a teacher before Giamanco shot and killed him. Giamanco described the experience to Oregon Public Broadcasting, expressing anguish over the children he could not save.