All I heard were the Litvenenko connections and that Russia's having a Chechen problem of their own now.
http://www.strata-sphere.com/blog/
Scroll down, they have a big file on the right sidebar as well.
http://strata-sphere.com/blog/index.php/archives/category/uncategorized/bin-ladengwot/litvinenko-berezovsky-chechens/