Amy Bishop, a former biology professor at the University of Alabama in Huntsville (UAH), was convicted of killing three of her colleagues and wounding three others during a shooting at the university in 2010.
The Columbine High School massacre was a school shooting that occurred in Colorado, United States. The shooters killed 13 people and injured 24 others.
After having her entire family killed by a sexual predator, Shasta Groene was kidnapped and raped for 47 days.
The largest school massacre that occurred in Russia, was carried out in 2018 by a school student, in total there were almost 100 people between dead and wounded.