Television Violence Myth Twelve teenagers and one teacher were shot to death and eighteen others were wounded at Columbine High School in Littleton, Colorado on April 20, 1999. ... Many who reject television violence are persuaded that the violence shown on several programs has actually increased for example, air time for war cartoons jumped from approximately two hours per week in the mid-eighties to forty-three hours a week in the early nineties (Gogna n.pag.). ...