A man who gave his son the gun used to kill two students and two teachers at Appalachee High School in Georgia is set to be sentenced Thursday after he was convicted of second-degree murder and involuntary manslaughter.Colin Gray’s sentencing comes just days after his 16-year-old son, Colt Gray, pleaded guilty to murder and other charges in the Sept. 4, 2024, shooting at the school about 45 miles (70 kilometers) northeast of Atlanta. Colt Gray was sentenced to serve life in prison without the possibility of parole.His father is one of a handful of American parents who have been criminally charged after their children were accused in shootings.A jury in March found Colin Gray guilty of second-degree murder in the deaths of two 14-year-old students, Mason Schermerhorn and Christian Angulo. Georgia law defines second-degree murder as causing the death of a child by committing the crime of cruelty to children. Gray was also found guilty of involuntary manslaughter in the killings of teachers Richard Aspinwall, 39, and Cristina Irimie, 53.

Another teacher and eight other students were wounded.Second-degree murder is punishable by at least 10 years but no more than 30 years in prison, while involuntary manslaughter carries a penalty of one to 10 years in prison.