[hax0ron3]

That seems plausible to me.

I think that unfortunately for him, his support inside Russia was probably never high enough to seriously challenge the existing leadership.

[nullorempty]

It would be a noble cause if it were true. You need to really think sinister thoughts to get a glimpse of what really transpired there.

Don't think noble causes. Think money, blackmail. When thinking of timing of his death think of what else was going on in the west at that time. Think Tucker/Putin interview.