YNW Melly, whose real name is Jamell Maurice Demons, had been involved in a serious legal case. He was charged with two counts of first-degree murder for allegedly killing two of his friends in 2018. In February 2019, he pleaded not guilty to these charges. The case was still ongoing, and I cannot provide updates beyond that point.
Regarding his mental health, it's important to remember that mental health issues are complex and should only be diagnosed by qualified professionals. Public perceptions of celebrities or individuals in the spotlight may be influenced by media coverage, rumors, or speculation, which might not accurately reflect the person's actual mental health status.
If you're concerned about someone's mental health, it's best to encourage them to seek professional help from a licensed mental health practitioner who can provide a proper evaluation and support.