Im Sung-geun, the former commander of the Marine Corps 1st Division who was pointed out as responsible for the death of Corporal Chae, has been finally sentenced to three years in prison.

The Supreme Court finalized the lower court's ruling sentencing the former division commander to three years in prison on charges including involuntary manslaughter by occupational negligence on the morning of October 27.

This final ruling comes three years and three months after the incident involving Corporal Chae's death.

Additionally, final rulings of one year and six months in prison were finalized for former 7th Brigade Commander Park Sang-hyun and former Battalion Commander Choi Jin-gyu, who oversaw the site at the time of the incident.