Colin Gray, the Georgia father whose teenage son carried out the deadly 2024 shooting at Apalachee High School, was sentenced Thursday to 15 years in prison. He is the first parent of a school shooter in the U.S. to be convicted of murder. The 55-year-old was found guilty earlier this year of 27 charges, including second-degree murder and involuntary manslaughter; prosecutors argued he ignored repeated warning signs about his son, Colt. Colt Gray, now 16, was sentenced to life in prison without the possibility of parole earlier this week. Although investigators could not substantiate the threat, Gray bought Colt the AR-15-style rifle later that year as a Christmas gift.