<p>A successful property developer in England, the Sligo-born Tom Gilmartin had ambitious plans for major retail developments in Dublin in the late 1980s. Little did he know that in order to do business in the city, senior politicians and public officials would want a slice of the action ? in the form of large amounts of cash.<br>Gilmartin blew the whistle on corruption at the heart of government and the city's planning system, and the fallout fr...