Meet the American trucker who broke the Real IRA... then refused witness protection

David Rupert was dozing on a sofa in a rented flat in Bundoran, County Donegal, Ireland, when he was awoken by the six o’clock news. A bomb had exploded in the Northern Irish town of Omagh, killing, as it would turn out, 29 people – the worst terrorist atrocity in the history of the Troubles.