A defendant shall be punished by imprisonment for four years.

The evidence seized shall be forfeited from the criminal defendant.

The criminal facts, the criminal facts of the cause of medical treatment and custody, the applicant for an attachment order, and the applicant for medical treatment and custody (hereinafter referred to as the "defendants") are Grade 3 intellectual disabilities with serious behavior disorder requiring caution or treatment, such as failure to properly control the impulses. The victim B (the age of 67) who is prone from the Japanese colonial era had been under the influence of alcohol through verbal abuse and violence, such as mental disorder, etc., committed against the defendant under the influence of habitually. The victim and the mother of the defendant used violence, such as hysing the victim several times, and humping the victim and hinging the object. On September 2018, 2018, the victim and the defendant forced the defendant to be hospitalized in the mental hospital and did not receive the defendant's phone from the victim, and escape from the hospital after the victim, and caused the victim to suffer from serious conflict with the police by getting the victim to protect the victim, etc.

On January 21, 2020, the defendant, at around 18:00 on January 21, 202, at his own residential area located in Busan B, the defendant got the victim from drinking alcohol and prevented him from drinking alcohol, and got the victim from drinking alcohol. The victim went to the Busan Coastal Police Station located in the above residential area and located in the Busan Brotororo in Busan Metropolitan City on the same day at around 20:00 on the same day, and the victim was aware that he reported himself, while the victim was aware that he was able to kill the victim and was living in the main residential area of the above residential area (the blade length: 12 cm and the total length: 23 cm) and followed the victim by inserting it.

The defendant came to a civil petition office of the above police station around 21:20 on the same day, and the victim who consulted with the police officer listens to the defendant as badly.