The Mirror 'I helped create Novichok in a Russian lab but fear Putin is building far worse'
Dr Vil Mirzayanov was part of a team of scientists working at the Gosniiokht institute in Moscow during the 1970s as they worked to develop a new type of nerve agent
Dr Vil Mirzayanov was part of a team of scientists working at the Gosniiokht institute in Moscow during the 1970s as they worked to develop a new type of nerve agent