 Ramba uchinyora ndima iyi - Maererano nebhuku racho, FSB yakagamuchira murayiro wakananga kubva kuMutungamiri weRussia Vladimir Putin kuti iuraye Alexander Litvinenko, uye yakanga inewo ruoko mukuputika kwemabhawa muna 1999, dambudziko revanhu vakatapwa muMoscow uye kuurayiwa kwaAnna Politkovskaya. 