Safety specialists say the key to halting school violence is better communication, even more so than extra metal detectors or security cameras.
At least four Coloradans are taking part in the school safety summit going in Chevy Chase, Maryland. President Bush called the meeting following recent incidents of school violence in Colorado, Pennsylvania and Wisconsin. Another occurred Monday in Missouri.
Delbert Elliott from the Boulder-based Center for the Study and Prevention of Violence says the first line of prevention is good intelligence. And Park County Sheriff Fred Wegener says authorities have to teach today's students how to think differently.
Also at the conference: Craig Scott, whose sister Rachel died in the 1999 Columbine High School attack.