Since Magic grew up in the 1990's and many of us likely did too, I thought this might be relevant.
Confimed suicide by hanging. My opinion is that maybe he wanted to immortalize his music like Kurt? Another factor is that Soundgarden had recently reunited and so maybe he was hoping that it would fill a void within himself and upon realizing that it just wasn't the same, decided to end it. It's also worth noting that they broke up originally for a reason. Maybe that reason resurfaced?