Johnson was last seen on September 17, 2018, in Louisville, Kentucky, in the 400 block of South Clay Street near East Liberty Street. According to his family, he was managing his mental illness well at the time, maintaining a steady job at a hotel, and living independently with his own car and apartment. However, they believe he became overwhelmed. Since his disappearance, there have been reported sightings of Johnson in the downtown Louisville area, often wearing torn and tattered clothing. He is believed to frequent areas near the Fourth Street Live complex and the Dosker Manor Apartments. While Johnson has experienced episodes in the past where he would wander away, he was always found safe within hours. Concerns for his well-being remain high due to his mental health struggles. His case remains unsolved, and he is considered to be at risk.