Died of a blood clot from a minor injury, shortly after getting booster shot. Without any investigation, authorities have told us it had NOTHING to do with the rare but documented clotting issues seen after the shot. Anyone who desires more information is a conspiracy theorist and any news investigating the clotting issues just weeks after he got the booster shot shall be banned from all mainstream media.
So, official cause of death is he died from a minor bump on his head that he had barely even noticed happened. Case closed.