PREVIOUSLY RELEASED: 17-year-old identified as shooter arrested in graduation shooting The 17-year-old shooter in the Riverdale High School after-graduation shooting at MTSU will remain in juvenile detention. A probable cause/detention hearing was held for the teen in Rutherford County Juvenile Court on Friday, May 20. The teen will remain at the facility. The 17-year-old will … Continue reading 17-Year-Old Held in Juvenile Detention