Why aren't they doing anything?

GREEN BAY, Wis. - Two 17-year-olds suspected of plotting a shooting spree at their school were fascinated with the m killings at Columbine High School and had homemade bombs and weapons at their homes, investigators said Friday. Sick people. Why isn't any1 watching them? Why aren't they checking? I mean since columbine, they should be! Yet there has been about 12. Most seem to like the Colorado one.