Can We Use Data To Solve Mass Shootings?

After another one of these in Georgia, let's look at this.

The picture above is from Columbine High School’s shooting, which took place on April 20, 1999. Just judging from the ladies in the photo, I would assume most of them were juniors or seniors in high school. As someone who was a senior in HS in 1999, and am currently 41, I can tell you most of the women in this photo are probably between 39 and 41 right …