Prediction of Violence: Who Is Dangerous to Whom, Why, and What Can Be Done about It?

Any professional searching for predictive clues to what Cho ultimately perpetrated can easily see in hindsight, of course, a roadmap to violence. Where were the switch-track monitors who were supposed to predict Cho’s potential violence along a continuum of likely possibilities? Were they asleep at the switch? Where were the watchers protecting the community and protecting Cho from himself?