Alexander Litvinenko was a former colonel in the Russian secret service and a critic of Vladimir Putin's government. He fled to London seeking political asylum in 2000. In November 2006 he was poisoned with the highly radioactive substance Polonium-210. Rebecca Kesby spoke to his wife Marina, about his life and excruciating death.
This programme is a rebroadcast
(PHOTO: Alexander Litvinenko in a London hospital a couple of days before his death in November 2006. Credit Getty Images.)
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