20 Years After Columbine, Schools Have Gotten Safer. But Fears Have Only Grown.

Present your driver’s license to be scanned and verified. Have your photograph taken. Pass your belongings through a metal detector. Welcome to your child’s school.

Twenty years after the Columbine High School shooting, a school visit can feel like going to the airport.

https://www.nytimes.com/2019/04/20/us/columbine-anniversary-school-violence-statistics.html