What's sketchy? The idea that Russia would start a new conflict in Chechnya to distract the people since they can't get the Ukrainians to budge? It's possible. The FSB is known to make use of criminal gangs to conduct terrorism on its behalf, if they do not do it themselves, in order to get what they want. Just see the apartment bombings in Moscow which were used to justify the last invasion of Chechnya, widely believed to be the work of the FSB.
Blowing up Russia: The Secret Plot to Bring Back KGB Terror
by Alexander Litvinenko, Yuri Felshtinsky, Geoffrey Andrews and Co (Translator)
Synopsis: Blowing Up Russia contains the allegations of ex-spy Alexander Litvinenko against his former spymasters in Moscow which led to his being murdered in London in November 2006. In the book he and historian Yuri Felshtinsky detail how since 1999 the Russian secret service has been hatching a plot to return to the terror that was the hallmark of the KGB. Vividly written and based on Litvinenko’s 20 years of insider knowledge of Russian spy campaigns, Blowing Up Russia describes how the successor of the KGB fabricated terrorist attacks and launched a war. Writing about Litvinenko, the surviving co-author recounts how the banning of the book in Russia led to three earlier deaths.
http://www.barnesandnoble.com/w/blowing-up-russia-yuri-felshinsky/1102506592?ean=9781594032011
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Alexander Litvinenko, the former Russian security agent fighting for his life in a UK hospital after allegedly being poisoned, has been a fierce critic of Vladimir Putin since before he became president in 2000.
Mr Litvinenko is thought to have been close to journalist Anna Politkovskaya, another opponent of the Kremlin who was shot dead last month, and said recently he was investigating her murder. It was after being handed documents apparently relating to the case that he was taken ill more than two weeks ago.
But he is perhaps best known for a book in which he alleges that agents co-ordinated the 1999 apartment block bombings in Russia that killed more than 300 people. He now appears to have fallen victim to the kind of plots which he wrote about.
http://news.kievukraine.info/2006/11/profile-alexander-litvinenko.html
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On 1 November 2006, Litvinenko suddenly fell ill and was hospitalised in what was established as a case of poisoning by radioactive polonium-210 which resulted in his death on 23 November. The events leading up to this are a matter of controversy, spawning numerous theories relating to his poisoning and death. A British murder investigation pointed to Andrey Lugovoy, a member of Russia’s Federal Protective Service, as the prime suspect. The United Kingdom requested the extradition of Lugovoy, but Russia refused, leading to the cooling of relations between Russia and the United Kingdom.”
http://en.m.wikipedia.org/wiki/Alexander_Litvinenko