- Are you looking for the Irish Mob from GTA IV?
The Irish American Killers are a gang in GTA: Chinatown Wars. They are based in Dukes.
In the Drug Dealing minigame in GTA Chinatown Wars, they sell Acid and buy Ecstasy through their drug dealers around Steinway. Members can be seen driving green and orange roofed Bobcats and Burritos (which also have ladders). They also carry Uzis.