The incident involved a 15-year-old student, Natalie Rupnow, who was identified as the shooter at a school. She died from a self-inflicted gunshot wound. The official cause of death is pending from the Dayne County Medical Examiner. Two individuals, a teacher and a teenage student, were pronounced dead at the scene. Six other students and a teacher were injured, with two students in critical condition and others treated for non-life-threatening injuries. The investigation is ongoing to determine the motive, with detectives interviewing family members and searching the shooter's home. The incident was reported by a second-grade student who called 911 at 10:57 a.m.