The story of the determined Scotland Yard Officers who worked to prove who was responsible for the death of Alexander Litvinenko, in one of the most complex and dangerous investigations in the history of the Metropolitan Police.
Production companies：
ITV Studios
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Tiger Aspect
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Overview：The story of the determined Scotland Yard Officers who worked to prove who was responsible for the death of Alexander Litvinenko, in one of the most complex and dangerous investigations in the history of the Metropolitan Police.
