A psychologist testified Monday that the teenager who killed two students and two teachers in a 2024 shooting at Georgia’s Apalachee High School had a chaotic and lonely upbringing and became involved in an online community focused on mass shootings.
Colt Gray, 16, pleaded guilty Friday to 55 charges, including murder, stemming from the Sept. 4, 2024, attack that killed four people and injured several others at the school, located about 45 miles (73 kilometers) northeast of Atlanta.
