in Clare and Cork before relocating to Dublin in the middle of 1919. Two IRA prisoners Ed Foley (one of the rescuers) and Patrick Maher (who had no part in the rescue) were later executed by the British in Mountjoy jail after the rescue after being convicted in courts-martial. Dublin The four Tipperary men undertook a range of missions under the direction of the Dublin leadership, some of these missions were in association with a unit known as The Squad. Plans were made and ambush positions taken for a number of attacks on Lord French, the Viceroy of Ireland who also served as Commander-in-Chief, Ireland, in the second half of 1919, however, the intelligence received about French's movements was inaccurate and these ambushes did not occur until the ambush at Ashtown Road. In one of these planned ambush attempts Hogan waited on Grattan Bridge for French's car to pass. At the time French's car was due to pass he pulled the pins from his grenade. French's car failed to turn up as expected and he had to hold down the firing mechanism of the grenade for over an hour until he reached a safe house and new pins could be placed in the grenades. In December 1919 Hogan, Treacy, Breen, Robinson, Martin Savage and a number of Dublin volunteers under the leadership of Paddy Daly undertook an ambush on Lord French's motorcade of three cars at Ashtown Road in Dublin. While three of French's party, two RIC and a driver, were wounded French got through unharmed, while Martin Savage was killed and Breen wounded. Hogan remained primarily based in Dublin until early 1920, although he made several trips to Tipperary to attend Brigade meetings and participate in a number of the raids on RIC barracks there. West Limerick In the spring of 1920, Hogan made two trips to west Limerick. On one visit Hogan participated with members of the West Limerick Brigade in activities including the attack led by the West Limerick Brigade OC Sean Finn in Rathkeale on the Hibernian Hotel in which Sergeant Neazor of the RIC was killed and a constable wounded. Later Hogan came from Dublin with Finn to help identify a suspected spy. The spy had been operating in the west Limerick area under the assumed name of Peadar Clancy of Dublin GHQ, stating that he was a friend of Hogan, Breen and Treacy. Several