A man whose teenage son shot dead four people at a US high school was sentenced to 15 years in prison on Thursday in a rare case of a parent convicted over a shooting carried out by their child.

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.

A man who gave his son the gun used in a deadly school shooting in Georgia is set to be sentenced Thursday.