The Power to Harm

On September 14, 1989, Joseph Wesbecker entered a Louisville, Kentucky printing plant and shot twenty people with an automatic rifle before turning the gun on himself. Wesbecker had been severely depressed and was taking Prozac, and the families of the victims sued Prozac's manufacturer, Eli Lilly, on the grounds that the popular antidepressant had caused Wesbecker's deranged mental state. The resulting trial instigated unprecedented research into the mind of a "spree killer" — and raised p...