WA's Corruption watchdog has found no serious misconduct occurred on the night Cleveland Dodd was found unconscious in his cell, at the notorious Unit 18 juvenile justice facility. The 16-year-old died a week after attempting self-harm in October last year, the tragedy prompting a flurry of investigations amid concerns his death could have been prevented. The Corruption and Crime Commission is the first to report on the teenager's death. And a warning, this story contains content some viewers may find distressing. It also discusses an incident of self-harm and includes the image of an indigenous person who has died.