What do you know about Columbine Shooting 1999?

2 Shooter Eric Harris and Bylan Klebold now the shooting is to be considered #social pain. But the shooters were actually dealing with #psycho issues which can make it psychological pain too.  Harris was psychopathic shooter and Klebold was a psychotic shooter. #GEOG203 #Social #Psycho, Pain level is at 10/10

https://www.sciencedirect.com/science/article/pii/S0362331911001558