In March 1920, following his release, O’Hegarty took over from Collins to be the new Directorial Head of Organization as well as being promoted vice-commandant of the Dublin brigade. Fionan Lynch was appointed to the GHQ Staff of the IRA as Assistant Director of Organisation to O’Hegarty. At the same time, Collins gave the position of Adjutant General to Gearoid O'Sullivan. This allowed Collins to move to Intelligence to conduct a 'dirty war' against soft targets March 1920 – April 1921.