Inside the Georgia high school where a sleepy morning was pierced by gunfire

It was the middle of second period on Wednesday morning at Apalachee High School in near Winder, Georgia, and the boy who few knew slipped out of his algebra class in J Hall again

​It was the middle of second period on Wednesday morning at Apalachee High School in near Winder, Georgia, and the boy who few knew slipped out of his algebra class in J Hall again ABC News: US