https://cdnph.upi.com/ph/st/th/1541784905394/2026/upi/57362537cdc2c87085df9870246a5085/v1.5/Teen-changes-plea-to-guilty-in-Georgia-school-shooting.jpg" /> A Georgia teenager changed his plea to guilty Friday in the shooting deaths of four people at Apalachee High School in 2024.