Commentary by Daniel T. Zanoza, Executive Director So, it happens again, this time at Northern Illinois University. Five students are killed by a mad man, numerous others are wounded and then the killer takes his own life. For the next few weeks, we will be hearing loads of speculation as to why. Some will blame the DeKalb, Illinois killings on guns. Some will say the lack of guns at the University prevented school security from defending the innocent. And then some will go into the deeper, psychological explanations for why these young people kill. But many will miss the mark....