It's more their style to say he came down with a serious disease which requires hospitalization, and then 3 days later, he's dead.
They could also take a page out of his book and talk about how he fell from the top floor of the Kremlin, or fell overboard during a fishing expedition.
It just happened again today:
https://www.newsweek.com/putin-ally-dies-falling-down-stairs-day-russia-mobilization-1744944He's going all Stalin on his inner circle.
