Overview

• Colt Gray, 14, is charged with murder for killing two students and two teachers at Apalachee High School.
• His mother, Marcee Gray, called the school after receiving an ominous text from Colt.
• Colt's father, Colin Gray, is also charged for providing the AR-15 used in the shooting.
• Family members described Colt as struggling with bullying and his parents' separation.
• The incident has reignited debates on gun storage laws and school safety in the US.