I Found this text about the situation after the murder from Politkovskaya. You can find some comments ...

The Chechen silence
Anna Politkovskaya's death should awaken us to the vicious injustices in the north Caucasus region
By Thomas de Waal
Thursday October 12, 2006 The Guardian

The murder of the journalist Anna Politkovskaya leaves a terrible silence in Russia and an information void about a dark realm that we need to know more about. No one else reported as she did on the Russian north Caucasus and the abuse of human rights there. Her reports made for difficult reading - and Politkovskaya only got where she did by being one of life's difficult people. full text