Da wird Putin wieder seufzen, eine weitere Schachfigur wurde ihm genommen...
http://news.bbc.co.uk/2/hi/uk_news/6163502.stm
Alexander Litvinenko, a former Russian security officer who has died in a London hospital after apparently being poisoned, was a fierce critic of Russia's government. ...
Perhaps most notably, he alleged that al-Qaeda number two Ayman al-Zawahiri was trained by the FSB in Dagestan in the years before the 9/11 attacks.
https://web.archive.org/web/20071219040336/http://cicentre.com/Documents/russia_islam_not_separate.html
In 1996, Alexander Litvinenko was responsible for securing the secrecy of Al-Zawahiri's arrival in Russia, who was trained by FSB instructors in Dagestan, Northern Caucasus, in 1996-1997.
At that time, Litvinenko was the Head of the Subdivision for Internationally Wanted Terrorists of the First Department of the Operative-Inquiry Directorate of the FSB Anti-Terrorist Department. He was ordered to undertake the delicate mission of securing Al-Zawahiri from unintentional disclosure by the Russian police. Though Al-Zawahiri had been brought to Russia by the FSB using a false passport, it was still possible for the police to learn about his arrival and report to Moscow for verification. Such a process could disclose Al-Zawahiri as an FSB collaborator.
In order to prevent this, Litvinenko visited a group of the highly placed police officers to notify them in advance. "If you get information about some suspicious Arabs arriving in the Caucasus, please report it to me before informing your leadership", he told them.