I remember the original thread on 4 /pol/ where Kappy showed up and talked about pedophilia in Hollywood, so I went digging through the archives found them.

https://archive.4plebs.org/pol/thread/179748434/#q179754360

https://archive.4plebs.org/pol/thread/180318152/#q180318152

This was the video he made that started it: https://www.youtube.com/watch?v=w42xrPAG08I

He was naming Tom Hanks, Seth Green, Stephen Spielberg. I'd put those guys near the top of the suspect list for his murder.