From Columbine to Robb, 169 people were killed in mass shootings in schools in the United States
Mass shooters have killed hundreds of people throughout U.S. history in areas such as shops, theaters, and workplaces, but it is in schools and universities that the carnage resonates perhaps most intensely: places full of young children , older students aspiring to new heights and teachers planting the seeds of knowledge, their travels all shortened. …