Another crime family would appear on the sideline, after Wayne Dundon came back from Hackney, England (as he was deported back to his home country). Wayne would form the McCarthy-Dundon gang which involved his brothers; John Dundon, Ger Dundon, and Dessie Dundon. Along with their cousins the McCarthy family. At first they would pose as allies to both The Ryans and Keane-Collopy. But in the background, schemed their own plans to defeat the two gangs. Eventually they would make their move and kill Kearan Keane (one of the bosses of the Keane-Collopy) in 2003. This would result in the demise of the Keane-Collopy's reign. And to be replaced by McCarthy-Dundon. However many murders between the factions would occur, roughly 20 killed and 100 arrested (in relation to the feud).