▁the ▁K GB ▁– ▁handled ▁cover t ▁political ▁assass in ations ▁abroad ". ▁These ▁activities ▁reported ly ▁continue . ▁Ig or ▁the ▁Ass ass in , ▁who ▁is ▁believed ▁to ▁have ▁been ▁the ▁poison er ▁of ▁Alexander ▁Lit vin en ko ▁in ▁ 2 0 0 6 , ▁was ▁alleg edly ▁an ▁SV R ▁officer . ▁However , ▁SV R ▁denied ▁invol vement ▁in ▁the ▁poison ing ▁of ▁Alexander ▁Lit vin en ko . ▁An ▁SV R ▁sp ok esp erson ▁quer ied ▁over ▁Lit vin en ko ▁remarked : ▁" May ▁God ▁give ▁him ▁health ." ▁ ▁It ▁was ▁reported ▁in ▁September ▁ 2 0 0 3 ▁that ▁an ▁SV R ▁R F ▁agent ▁in ▁London ▁was ▁making ▁prepar ations ▁to ▁assass inate ▁Bor is ▁Bere z ov sky ▁with ▁a ▁binary ▁weapon , ▁and ▁that ▁is ▁why ▁Bere z ov sky ▁had ▁been ▁speed ily ▁granted ▁as yl um ▁in ▁Britain . ▁GR U ▁officers ▁who ▁killed ▁Zel im k han ▁Y and ar bi ye v ▁in ▁Q atar ▁in ▁ 2 0 0 4 ▁reported ly ▁claimed ▁that ▁supporting ▁SV R ▁agents ▁let ▁them ▁down ▁by ▁not ▁ev acu ating ▁them ▁in ▁time , ▁so ▁they ▁have ▁been ▁arrested ▁by ▁Q atar ▁authorities . ▁ ▁Internet ▁dis information ▁According ▁to ▁senior ▁SV R ▁officer ▁Serge i ▁Tre ty akov , ▁he ▁often ▁sent ▁intelligence ▁officers ▁to ▁branches ▁of ▁the ▁New ▁York ▁Public ▁Library ▁where ▁they ▁gained ▁access ▁to ▁the ▁Internet ▁without ▁anyone ▁knowing ▁their ▁identity . ▁They ▁placed ▁propag