Columbine High School Massacre

At a listening session with school shooting survivors, Trump suggested equipping 20 percent of teachers with firearms.
When it comes to gun violence, we've become numb. Blame the media, blame Trump, blame "compassion fatigue."
“To my 14-year-old, a lockdown drill is just ‘a thing.’ It’s just like a fire drill.”
Americans who live through mass shootings often need extensive mental health treatment. Charity can't pay for it all.
This is the world our children go to school in. This is the world our teachers work in.
Three of the worst mass shootings in modern U.S. history happened in the past year and a half.
The next attorney general said the problem is wayward souls -- and Hollywood, the internet, video games and Marilyn Manson.
Some reportedly were warned to skip school or use a "safety word" to avoid being killed.