This film charts the story behind the shocking political murder of Alexander Litvinenko. With unprecedented access to the Metropolitan Police, it recreates each step of the lengthy police inquiry, which up until now has remained secret. For the first time, the extraordinary details of the investigation into the death of the former Russian spy come to light.

This film charts the story behind the shocking political murder of Alexander Litvinenko. With unprecedented access to the Metropolitan Police, it recreates each step of the lengthy police inquiry, which up until now has remained secret. For the first time, the extraordinary details of the investigation into the death of the former Russian spy come to light.