The messages reportedly claimed that the same criminals killed Anna Politkovskaya , a Russian investigative journalist , in Moscow last month .
Anna Politkovskaya /people/deceased_person/place_of_death Moscow
DT NNS RB VBD IN DT JJ NNS VBD NNP NNP , DT JJ JJ NN , IN NNP JJ NN .
Anna Politkovskaya
PERSON
Moscow
LOCATION
/people/deceased_person/place_of_death