Colin Gray has been sentenced to 15 years in prison for his son, Colt, killing four people in a school shooting in September 2024

Colt Gray, now 16, unleashed hell in 2024 when he opened fire at a high school, killing two students and two teachers.

Colt Gray killed 2 pupils and 2 teachers in 2024 with a gun given to him by his father, who has been convicted of second-degree murder.