Since Jay Z has been brought up, let's revisit this from a few years ago.
Prodigy was a rapper who died under possibly mysterious circumstances after trying to expose some sick stuff. He levels some not so flattering accusations at Jay Z in a letter he penned from prison (on a weapons charge).
The letter can be read here:
https://newafrikan77.wordpress.com/2017/06/25/prodigy-jail-letters-on-the-oligarchs-ruling-class-and-their-collaborators-black-bourgeoisie-music-artist/
(granted, he has a commercial at the end of the letter...)
From Wikipedia (https://en.wikipedia.org/wiki/Prodigy_(rapper)), his cause of death:
He also pushed exposure of rings that preyed on children:
UN warns Britain over child voodoo rituals, pedophile sex tourists