The latest news on school shootings
The University of New Mexico and the University of Memphis also have been affected by gun violence.
Senator Lautenberg is proposing a bill to broaden the law on background checks.
Is gun control the answer?
We need guns to protect kids while we work together to solve society's ills.
Lawmakers cower as guns continue to kill people and excuses drown out reason.
Ritter notified families of the Columbine victims and worked on the state investigation committee.
Anne Marie Hochhalter survived the shooting at the school and another tragedy on its heels.
To protect schools better, students need to feel more comfortable to speak out, researchers say.
Classes on the anniversary of the on-campus mass shooting will resume in 2012.
Police believe attack was not random; Monday classes canceled.