Länk - 280 miljoner kronor polonium i Litvinenko
Enligt brittiska The Guardian så kostade denmängd Polonium Litvinenko fått i sig uppskattningsvis 20 miljoner brittiska pund att få fram.
Läs mer: Litvinenko affair: now the man who warned him poisoned too | Special reports | Guardian Unlimited
The Guardian has been told that the amount of polonium-210 found in the Russian's body could have killed him 100 times over, and would have cost as much as £20m to acquire.
Läs mer: Litvinenko affair: now the man who warned him poisoned too | Special reports | Guardian Unlimited