At this point I think the morbid story is interesting to most in the West as a plot straight out of James Bond — it isn’t likely to have a meaningful effect on any of our lives nor provide an accurate narrative for years.

That said:

WSJ reports that DOD thinks it was an assassination, a bomb or something but not a surface to air missile. But DOD stopped short of publicly calling it an assassination.

“Our ini­tial as­sess­ment is that it is likely Prigozhin was killed,” Air Force Brig. Gen. Pat Ry­der, a Pen­tagon spokesman, said at a brief­ing Thurs­day. It was the first time the U.S. con­firmed Prigozhin’s death.

WSJ

WSJ reports on Wagner fighters mourning Prigozhin and stating they no one “should do anything stupid.”