The permeable links between Republican terrorists and criminality have long been established. But have they ever produced an assassin like Rose Lynch? Is Lynch the only female assassin to have worked in Ireland? Why is she unrepentant having killed an innocent man and the wrong target? At the age of five Lynch joined Fianna Eireann and rose through the Republican ranks. The specialist markswoman took David Darcy's life in a clinical fashion - in the manner of a professional. Lynch killed the innocent dad-of-two, who worked as a driver for a local butcher and was originally from Ballyfermot. He was about to leave for work when he was gunned down.