Connor Betts, 24, who shot and killed nine people in Dayton, Ohio, before police killed him, was a deeply troubled young man. He had a history of violence against girlfriends and fantasized about murder, keeping a “hit list” of people he wanted to target.
High school classmates said that school officials were aware of his behavior years ago, and that as a freshman, he was missing from school for months after police one day took him from a school bus.
Details of his past are still emerging, and school officials did not respond on Tuesday to questions about his disciplinary record during his school years.