London - "It's a feelthy lie, begorrah," Real IRA commander Osama Bin Life-O'Riely said today ahead of the Beeb broadcast at 9pm.
"Provisional Al Qaeda bastards is them what done it because of a trick or treaty dare from George W Bush."
The documentary lays bare Whitehall rumors about 'an Asian branch of the IRA' commissioned by Provos' general Tony Blair to cause murder and mayhem in 2005.
Conspiracy nutz have always reckoned the atrocity bore all the hallmarks of a government stitch-up in cahoots with Mossad, the KGB and an international matrix of shadowy pervs.
Their alleged goal was to finger US big oil sources who'd sued the pants off top British politicians over global cover-ups 'going all the way back to John F Kennedy's assassination'.
"Factor in Mrs Thatcher's horrible half brother Jimmy Saville and bob's-yer-uncle!" Bin Life-O'Riely added.
"Wanna see nude pics of Colonel Gaddafi grooming young Brit royals at Seizures Palace in Benghazi?"
Gerry Adams is 69.