There certainly was a coordinated effort to not blame Ukr/CIA.
We likely won’t know for certain, but I think we’ll know who Russia blames.
Supposedly the ones captured are already talking. One has said he was paid the equivalent of 5 thousand dollars.
I am not buying this story about ISIS doing this because they haven’t been operating in the news lately and have made no formal declarations regarding Russia. The timing is way off for that.
ISIS was a convenient choice to “use” for a terror attack. And of course they came out very fast taking responsibility.
In other words. It all smells.