The British government is behind all recent IRA events including Omagh. The plan is to marginalise Sein Feinn and put all factions of the provisional IRA out of business.
British double-agent was in Real IRA's Omagh bomb team
http://www.sundayherald.com/print17827Northern Ireland: Allegations of British collusion in Omagh bombing
http://www.wsws.org/articles/2001/sep2001/ire-a04_prn.shtml"There is a hellova lot of hidden shit that will see the light of day when Sinn Fein are part of the North government"
Sein Fein ARE part of the Northern Ireland government (when it isn't suspended) , McGuiness is Education minister. Twenty percent of the vote gets you a seat at the table.