Nak Sung is missing and has early-onset dementia. He left his residence at 7:51am on November 5, 2026, wearing a black/blue hoodie, green vest jacket, blue jeans, and gray baseball cap. Mr. Sung did not tell anyone why he left or where he was going. Additionally, he left his home without any belongings, not even his wallet or phone. Since leaving his home on foot, his family has not seen or heard from him.