Online posting could hold clues to why teenager opened fire at school
As authorities sort out what may have led to Wednesday’s shooting, those who knew Robert Butler Jr are struggling to reconcile his final actions with their memories of the fun-loving, outgoing student who liked to make jokes and sometimes got into trouble for talking in class.
The gunman, who had attended Omaha’s Millard South High School for no more than two months, also wounded the principal before fleeing from the scene and fatally shooting himself in his car about a mile away.
