Litvinenko case: The mystery continues

On November 1 a year ago Aleksandr Litvinenko – a former Lieutenant-Colonel in the FSB – suddenly fell ill and was hospitalised. Three weeks later he died under highly suspicious circumstances. Traces of polonium-210 were found in London. A spy scandal rocked both Britain and Russia. The mystery is still unsolved despite of the fact that Scotland Yard has named the prime suspect. Aleksey Yaroshevsky pieces together events in "Litvinenko case: The mystery continues".