Disguised on the streets of Islamabad in the 1980s, Ajit Doval gathered critical intelligence on Pakistan’s secret nuclear programme, using a strand of hair from a barber shop to expose what satellite images and spies could not. Disguised on the streets of Islamabad in the 1980s, Ajit Doval gathered critical intelligence on Pakistan’s secret nuclear programme, using a strand of hair from a barber shop to expose what satellite images and spies could not.