A group called the Liberation army of Dagestan claimed responsibility for the apartment bombings.
He was a member of the public commission investigating Russian apartment bombings.
The film described Russian apartment bombings as a terrorism act committed by Russian state security services.
The film examines Russian apartment bombings and focuses on the foiled bombing in Ryazan.
But they deny that the two had anything to do with a series of apartment bombings in Russia.
September 8 - The first of a series of Russian apartment bombings occurs.
It was one of the sites of the Russian apartment bombings of 1999.
That fall, a series of apartment bombings killed 243 people, fanning popular support for the second war in Chechnya, Russia's separatist region.
Many different explanations have been given for the Russian apartment bombings.
Five apartment bombings took place and at least three attempted bombings were prevented.