Very interesting people and things. I recommend looking into all of these.
Christine Chubbuck was a news reporter who was upset with the medias obsession and profit off of blood and guts. She commited suicide on live TV.
Mr Anime was a YouTuber who uploaded comedy skits and anime reviews. He killed his family because he wanted to shoot up his school and didnt want his family to see him like that. He didnt shoot up the school and was instead arrested. He has shown lots of remorse for his actions, writing apologies and pleas to god to forgive him on the walls in his home.
The Luby's shooting was a mass shooting that took place on October 16, 1991, at a Luby's Cafeteria in Killeen, Texas. The perpetrator, George Hennard, drove his pickup truck through the front window of the restaurant. He shot and killed 23 people, and wounded 27 others. He had a brief shootout with police, refused their orders to surrender, and fatally shot himself.